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chrome_content_renderer_client.cc
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chrome_content_renderer_client.cc
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// 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/command_line.h"
#include "base/debug/crash_logging.h"
#include "base/logging.h"
#include "base/macros.h"
#include "base/metrics/field_trial.h"
#include "base/metrics/histogram.h"
#include "base/metrics/user_metrics_action.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/channel_info.h"
#include "chrome/common/chrome_isolated_world_ids.h"
#include "chrome/common/chrome_paths.h"
#include "chrome/common/chrome_switches.h"
#include "chrome/common/crash_keys.h"
#include "chrome/common/pepper_permission_util.h"
#include "chrome/common/render_messages.h"
#include "chrome/common/secure_origin_whitelist.h"
#include "chrome/common/url_constants.h"
#include "chrome/grit/generated_resources.h"
#include "chrome/grit/locale_settings.h"
#include "chrome/grit/renderer_resources.h"
#include "chrome/renderer/app_categorizer.h"
#include "chrome/renderer/banners/app_banner_client.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/external_extension.h"
#include "chrome/renderer/loadtimes_extension_bindings.h"
#include "chrome/renderer/media/chrome_key_systems.h"
#include "chrome/renderer/net/net_error_helper.h"
#include "chrome/renderer/net_benchmarking_extension.h"
#include "chrome/renderer/page_load_histograms.h"
#include "chrome/renderer/pepper/pepper_helper.h"
#include "chrome/renderer/plugins/non_loadable_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/safe_browsing/phishing_classifier_delegate.h"
#include "chrome/renderer/safe_browsing/threat_dom_details.h"
#include "chrome/renderer/searchbox/search_bouncer.h"
#include "chrome/renderer/searchbox/searchbox.h"
#include "chrome/renderer/searchbox/searchbox_extension.h"
#include "chrome/renderer/tts_dispatcher.h"
#include "chrome/renderer/worker_content_settings_client_proxy.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/renderer/overlay_js_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/url_constants.h"
#include "components/error_page/common/localized_error.h"
#include "components/network_hints/renderer/prescient_networking_dispatcher.h"
#include "components/page_load_metrics/renderer/metrics_render_frame_observer.h"
#include "components/password_manager/content/renderer/credential_manager_client.h"
#include "components/pdf/renderer/pepper_pdf_host.h"
#include "components/plugins/renderer/mobile_youtube_plugin.h"
#include "components/signin/core/common/profile_management_switches.h"
#include "components/startup_metric_utils/common/startup_metric.mojom.h"
#include "components/subresource_filter/content/renderer/ruleset_dealer.h"
#include "components/subresource_filter/content/renderer/subresource_filter_agent.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_switches.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_thread.h"
#include "content/public/renderer/render_view.h"
#include "content/public/renderer/render_view_visitor.h"
#include "extensions/common/constants.h"
#include "ipc/ipc_sync_channel.h"
#include "net/base/net_errors.h"
#include "ppapi/c/private/ppb_pdf.h"
#include "ppapi/shared_impl/ppapi_switches.h"
#include "services/shell/public/cpp/interface_provider.h"
#include "third_party/WebKit/public/platform/URLConversion.h"
#include "third_party/WebKit/public/platform/WebCachePolicy.h"
#include "third_party/WebKit/public/platform/WebSecurityOrigin.h"
#include "third_party/WebKit/public/platform/WebURL.h"
#include "third_party/WebKit/public/platform/WebURLError.h"
#include "third_party/WebKit/public/platform/WebURLRequest.h"
#include "third_party/WebKit/public/platform/WebURLResponse.h"
#include "third_party/WebKit/public/web/WebCache.h"
#include "third_party/WebKit/public/web/WebDataSource.h"
#include "third_party/WebKit/public/web/WebDocument.h"
#include "third_party/WebKit/public/web/WebElement.h"
#include "third_party/WebKit/public/web/WebLocalFrame.h"
#include "third_party/WebKit/public/web/WebPluginContainer.h"
#include "third_party/WebKit/public/web/WebPluginParams.h"
#include "third_party/WebKit/public/web/WebSecurityPolicy.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 "widevine_cdm_version.h" // In SHARED_INTERMEDIATE_DIR.
#if !defined(DISABLE_NACL)
#include "components/nacl/common/nacl_constants.h"
#include "components/nacl/renderer/nacl_helper.h"
#endif
#if defined(ENABLE_EXTENSIONS)
#include "chrome/common/extensions/chrome_extensions_client.h"
#include "chrome/renderer/extensions/chrome_extensions_renderer_client.h"
#include "extensions/common/extension_urls.h"
#include "extensions/common/switches.h"
#include "extensions/renderer/dispatcher.h"
#include "extensions/renderer/renderer_extension_registry.h"
#endif
#if defined(ENABLE_PLUGINS)
#include "chrome/renderer/plugins/chrome_plugin_placeholder.h"
#include "chrome/renderer/plugins/power_saver_info.h"
#endif
#if defined(ENABLE_PRINTING)
#include "chrome/common/chrome_content_client.h"
#include "chrome/renderer/printing/chrome_print_web_view_helper_delegate.h"
#include "components/printing/renderer/print_web_view_helper.h"
#include "printing/print_settings.h"
#endif
#if defined(ENABLE_PRINT_PREVIEW)
#include "chrome/renderer/pepper/chrome_pdf_print_client.h"
#endif
#if defined(ENABLE_SPELLCHECK)
#include "chrome/renderer/spellchecker/spellcheck.h"
#include "chrome/renderer/spellchecker/spellcheck_provider.h"
#endif
#if defined(ENABLE_WEBRTC)
#include "chrome/renderer/media/webrtc_logging_message_filter.h"
#endif
using autofill::AutofillAgent;
using autofill::PasswordAutofillAgent;
using autofill::PasswordGenerationAgent;
using base::ASCIIToUTF16;
using base::UserMetricsAction;
using blink::WebCache;
using blink::WebCachePolicy;
using blink::WebConsoleMessage;
using blink::WebDataSource;
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 content::PluginInstanceThrottler;
using content::RenderFrame;
using content::RenderThread;
using content::WebPluginInfo;
using extensions::Extension;
namespace {
// Whitelist PPAPI for Android Runtime for Chromium. (See crbug.com/383937)
#if defined(ENABLE_PLUGINS)
const char* const kPredefinedAllowedCameraDeviceOrigins[] = {
"6EAED1924DB611B6EEF2A664BD077BE7EAD33B8F",
"4EB74897CB187C7633357C2FE832E0AD6A44883A"
};
const char* const kPredefinedAllowedCompositorOrigins[] = {
"6EAED1924DB611B6EEF2A664BD077BE7EAD33B8F",
"4EB74897CB187C7633357C2FE832E0AD6A44883A"
};
#endif
#if defined(ENABLE_PLUGINS)
void AppendParams(const std::vector<base::string16>& additional_names,
const std::vector<base::string16>& additional_values,
WebVector<WebString>* existing_names,
WebVector<WebString>* existing_values) {
DCHECK(additional_names.size() == additional_values.size());
DCHECK(existing_names->size() == existing_values->size());
size_t existing_size = existing_names->size();
size_t total_size = existing_size + additional_names.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_names.size(); ++i) {
names[existing_size + i] = additional_names[i];
values[existing_size + i] = additional_values[i];
}
existing_names->swap(names);
existing_values->swap(values);
}
// For certain sandboxed Pepper plugins, use the JavaScript Content Settings.
bool ShouldUseJavaScriptSettingForPlugin(const WebPluginInfo& plugin) {
if (plugin.type != WebPluginInfo::PLUGIN_TYPE_PEPPER_IN_PROCESS &&
plugin.type != WebPluginInfo::PLUGIN_TYPE_PEPPER_OUT_OF_PROCESS) {
return false;
}
#if !defined(DISABLE_NACL)
// Treat Native Client invocations like JavaScript.
if (plugin.name == ASCIIToUTF16(nacl::kNaClPluginName))
return true;
#endif
#if defined(WIDEVINE_CDM_AVAILABLE) && defined(ENABLE_PEPPER_CDMS)
// Treat CDM invocations like JavaScript.
if (plugin.name == ASCIIToUTF16(kWidevineCdmDisplayName)) {
DCHECK(plugin.type == WebPluginInfo::PLUGIN_TYPE_PEPPER_OUT_OF_PROCESS);
return true;
}
#endif // defined(WIDEVINE_CDM_AVAILABLE) && defined(ENABLE_PEPPER_CDMS)
return false;
}
#endif // defined(ENABLE_PLUGINS)
#if defined(ENABLE_SPELLCHECK)
class SpellCheckReplacer : public content::RenderViewVisitor {
public:
explicit SpellCheckReplacer(SpellCheck* spellcheck)
: spellcheck_(spellcheck) {}
bool Visit(content::RenderView* render_view) override;
private:
SpellCheck* spellcheck_; // New shared spellcheck for all views. Weak Ptr.
DISALLOW_COPY_AND_ASSIGN(SpellCheckReplacer);
};
bool SpellCheckReplacer::Visit(content::RenderView* render_view) {
SpellCheckProvider* provider = SpellCheckProvider::Get(render_view);
DCHECK(provider);
provider->set_spellcheck(spellcheck_);
return true;
}
#endif
#if defined(ENABLE_EXTENSIONS)
bool IsStandaloneExtensionProcess() {
return base::CommandLine::ForCurrentProcess()->HasSwitch(
extensions::switches::kExtensionProcess);
}
#endif
// Defers media player loading in background pages until they're visible.
// TODO(dalecurtis): Include an idle listener too. http://crbug.com/509135
class MediaLoadDeferrer : public content::RenderFrameObserver {
public:
MediaLoadDeferrer(content::RenderFrame* render_frame,
const base::Closure& continue_loading_cb)
: content::RenderFrameObserver(render_frame),
continue_loading_cb_(continue_loading_cb) {}
~MediaLoadDeferrer() override {}
private:
// content::RenderFrameObserver implementation:
void WasShown() override {
continue_loading_cb_.Run();
delete this;
}
void OnDestruct() override { delete this; }
const base::Closure continue_loading_cb_;
DISALLOW_COPY_AND_ASSIGN(MediaLoadDeferrer);
};
} // namespace
ChromeContentRendererClient::ChromeContentRendererClient()
: main_entry_time_(base::TimeTicks::Now()) {
#if defined(ENABLE_EXTENSIONS)
extensions::ExtensionsClient::Set(
extensions::ChromeExtensionsClient::GetInstance());
extensions::ExtensionsRendererClient::Set(
ChromeExtensionsRendererClient::GetInstance());
#endif
#if defined(ENABLE_PLUGINS)
for (size_t i = 0; i < arraysize(kPredefinedAllowedCameraDeviceOrigins); ++i)
allowed_camera_device_origins_.insert(
kPredefinedAllowedCameraDeviceOrigins[i]);
for (size_t i = 0; i < arraysize(kPredefinedAllowedCompositorOrigins); ++i)
allowed_compositor_origins_.insert(kPredefinedAllowedCompositorOrigins[i]);
#endif
#if defined(ENABLE_PRINTING)
printing::SetAgent(GetUserAgent());
#endif
}
ChromeContentRendererClient::~ChromeContentRendererClient() {
}
void ChromeContentRendererClient::RenderThreadStarted() {
RenderThread* thread = RenderThread::Get();
{
startup_metric_utils::mojom::StartupMetricHostPtr startup_metric_host;
thread->GetRemoteInterfaces()->GetInterface(&startup_metric_host);
startup_metric_host->RecordRendererMainEntryTime(main_entry_time_);
}
chrome_observer_.reset(new ChromeRenderThreadObserver());
web_cache_impl_.reset(new web_cache::WebCacheImpl());
#if defined(ENABLE_EXTENSIONS)
ChromeExtensionsRendererClient::GetInstance()->RenderThreadStarted();
#endif
prescient_networking_dispatcher_.reset(
new network_hints::PrescientNetworkingDispatcher());
#if defined(ENABLE_SPELLCHECK)
// ChromeRenderViewTest::SetUp() creates a Spellcheck and injects it using
// SetSpellcheck(). Don't overwrite it.
if (!spellcheck_) {
spellcheck_.reset(new SpellCheck());
thread->AddObserver(spellcheck_.get());
}
#endif
visited_link_slave_.reset(new visitedlink::VisitedLinkSlave());
#if defined(FULL_SAFE_BROWSING)
phishing_classifier_.reset(safe_browsing::PhishingClassifierFilter::Create());
#endif
prerender_dispatcher_.reset(new prerender::PrerenderDispatcher());
subresource_filter_ruleset_dealer_.reset(
new subresource_filter::RulesetDealer());
#if defined(ENABLE_WEBRTC)
webrtc_logging_message_filter_ = new WebRtcLoggingMessageFilter(
thread->GetIOMessageLoopProxy());
#endif
thread->AddObserver(chrome_observer_.get());
#if defined(FULL_SAFE_BROWSING)
thread->AddObserver(phishing_classifier_.get());
#endif
thread->AddObserver(visited_link_slave_.get());
thread->AddObserver(prerender_dispatcher_.get());
thread->AddObserver(subresource_filter_ruleset_dealer_.get());
thread->AddObserver(SearchBouncer::GetInstance());
#if defined(ENABLE_WEBRTC)
thread->AddFilter(webrtc_logging_message_filter_.get());
#endif
thread->RegisterExtension(extensions_v8::ExternalExtension::Get());
thread->RegisterExtension(extensions_v8::LoadTimesExtension::Get());
base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
if (command_line->HasSwitch(switches::kEnableBenchmarking))
thread->RegisterExtension(extensions_v8::BenchmarkingExtension::Get());
if (command_line->HasSwitch(switches::kEnableNetBenchmarking))
thread->RegisterExtension(extensions_v8::NetBenchmarkingExtension::Get());
if (command_line->HasSwitch(switches::kInstantProcess))
thread->RegisterExtension(extensions_v8::SearchBoxExtension::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(ASCIIToUTF16(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(
ASCIIToUTF16(dom_distiller::kDomDistillerScheme));
// TODO(nyquist): Add test to ensure this happens when the flag is set.
WebSecurityPolicy::registerURLSchemeAsDisplayIsolated(dom_distiller_scheme);
#if defined(OS_CHROMEOS)
WebSecurityPolicy::registerURLSchemeAsLocal(
WebString::fromUTF8(content::kExternalFileScheme));
#endif
#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);
// chrome-search: resources shouldn't trigger insecure content warnings. Note
// that chrome-extension: and chrome-extension-resource: schemes are taken
// care of in extensions::Dispatcher.
WebSecurityPolicy::registerURLSchemeAsSecure(chrome_search_scheme);
#if defined(ENABLE_PRINT_PREVIEW)
pdf_print_client_.reset(new ChromePDFPrintClient());
pdf::PepperPDFHost::SetPrintClient(pdf_print_client_.get());
#endif
std::set<GURL> origins;
GetSecureOriginWhitelist(&origins);
for (const GURL& origin : origins) {
WebSecurityPolicy::addOriginTrustworthyWhiteList(
WebSecurityOrigin::create(origin));
}
std::set<std::string> schemes;
GetSchemesBypassingSecureContextCheckWhitelist(&schemes);
for (const std::string& scheme : schemes) {
WebSecurityPolicy::addSchemeToBypassSecureContextWhitelist(
WebString::fromUTF8(scheme));
}
}
void ChromeContentRendererClient::RenderFrameCreated(
content::RenderFrame* render_frame) {
new ChromeRenderFrameObserver(render_frame);
bool should_whitelist_for_content_settings =
base::CommandLine::ForCurrentProcess()->HasSwitch(
switches::kInstantProcess);
extensions::Dispatcher* ext_dispatcher = NULL;
#if defined(ENABLE_EXTENSIONS)
ext_dispatcher =
ChromeExtensionsRendererClient::GetInstance()->extension_dispatcher();
#endif
ContentSettingsObserver* content_settings = new ContentSettingsObserver(
render_frame, ext_dispatcher, should_whitelist_for_content_settings);
if (chrome_observer_.get()) {
content_settings->SetContentSettingRules(
chrome_observer_->content_setting_rules());
}
#if defined(ENABLE_EXTENSIONS)
ChromeExtensionsRendererClient::GetInstance()->RenderFrameCreated(
render_frame);
#endif
#if defined(ENABLE_PLUGINS)
new PepperHelper(render_frame);
#endif
#if !defined(DISABLE_NACL)
new nacl::NaClHelper(render_frame);
#endif
#if defined(FULL_SAFE_BROWSING)
safe_browsing::ThreatDOMDetails::Create(render_frame);
#endif
new NetErrorHelper(render_frame);
if (render_frame->IsMainFrame()) {
// Only attach MainRenderFrameObserver to the main frame, since
// we only want to log page load metrics for the main frame.
new page_load_metrics::MetricsRenderFrameObserver(render_frame);
} else {
// Avoid any race conditions from having the browser tell subframes that
// they're prerendering.
if (prerender::PrerenderHelper::IsPrerendering(
render_frame->GetRenderView()->GetMainRenderFrame())) {
new prerender::PrerenderHelper(render_frame);
}
}
// Set up a mojo service to test if this page is a distiller page.
new dom_distiller::DistillerJsRenderFrameObserver(
render_frame, chrome::ISOLATED_WORLD_ID_CHROME_INTERNAL);
// 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);
PasswordAutofillAgent* password_autofill_agent =
new PasswordAutofillAgent(render_frame);
PasswordGenerationAgent* password_generation_agent =
new PasswordGenerationAgent(render_frame, password_autofill_agent);
new AutofillAgent(render_frame, password_autofill_agent,
password_generation_agent);
new subresource_filter::SubresourceFilterAgent(
render_frame, subresource_filter_ruleset_dealer_.get());
}
void ChromeContentRendererClient::RenderViewCreated(
content::RenderView* render_view) {
#if defined(ENABLE_EXTENSIONS)
ChromeExtensionsRendererClient::GetInstance()->RenderViewCreated(render_view);
#endif
new PageLoadHistograms(render_view);
#if defined(ENABLE_PRINTING)
new printing::PrintWebViewHelper(
render_view, std::unique_ptr<printing::PrintWebViewHelper::Delegate>(
new ChromePrintWebViewHelperDelegate()));
#endif
#if defined(ENABLE_SPELLCHECK)
new SpellCheckProvider(render_view, spellcheck_.get());
#endif
new prerender::PrerendererClient(render_view);
base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
if (command_line->HasSwitch(switches::kInstantProcess))
new SearchBox(render_view);
new ChromeRenderViewObserver(render_view, web_cache_impl_.get());
new password_manager::CredentialManagerClient(render_view);
}
SkBitmap* ChromeContentRendererClient::GetSadPluginBitmap() {
return const_cast<SkBitmap*>(ResourceBundle::GetSharedInstance().
GetImageNamed(IDR_SAD_PLUGIN).ToSkBitmap());
}
SkBitmap* ChromeContentRendererClient::GetSadWebViewBitmap() {
return const_cast<SkBitmap*>(ResourceBundle::GetSharedInstance().
GetImageNamed(IDR_SAD_WEBVIEW).ToSkBitmap());
}
bool ChromeContentRendererClient::OverrideCreatePlugin(
content::RenderFrame* render_frame,
WebLocalFrame* frame,
const WebPluginParams& params,
WebPlugin** plugin) {
std::string orig_mime_type = params.mimeType.utf8();
#if defined(ENABLE_EXTENSIONS)
if (!ChromeExtensionsRendererClient::GetInstance()->OverrideCreatePlugin(
render_frame, params)) {
return false;
}
#endif
GURL url(params.url);
#if defined(ENABLE_PLUGINS)
ChromeViewHostMsg_GetPluginInfo_Output output;
WebString top_origin = frame->top()->getSecurityOrigin().toString();
render_frame->Send(new ChromeViewHostMsg_GetPluginInfo(
render_frame->GetRoutingID(), url, blink::WebStringToGURL(top_origin),
orig_mime_type, &output));
*plugin = CreatePlugin(render_frame, frame, params, output);
#else // !defined(ENABLE_PLUGINS)
#if defined(OS_ANDROID)
if (plugins::MobileYouTubePlugin::IsYouTubeURL(url, orig_mime_type)) {
base::StringPiece template_html(
ResourceBundle::GetSharedInstance().GetRawDataResource(
IDR_MOBILE_YOUTUBE_PLUGIN_HTML));
*plugin = (new plugins::MobileYouTubePlugin(render_frame, frame, params,
template_html))->plugin();
return true;
}
#endif // defined(OS_ANDROID)
PluginUMAReporter::GetInstance()->ReportPluginMissing(orig_mime_type, url);
*plugin = NonLoadablePluginPlaceholder::CreateNotSupportedPlugin(
render_frame, frame, params)->plugin();
#endif // defined(ENABLE_PLUGINS)
return true;
}
WebPlugin* ChromeContentRendererClient::CreatePluginReplacement(
content::RenderFrame* render_frame,
const base::FilePath& plugin_path) {
return NonLoadablePluginPlaceholder::CreateErrorPlugin(render_frame,
plugin_path)->plugin();
}
void ChromeContentRendererClient::DeferMediaLoad(
content::RenderFrame* render_frame,
bool has_played_media_before,
const base::Closure& 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.
// NOTE: Switch can be used to allow autoplay, unless frame is prerendered.
//
// TODO(dalecurtis): Include an idle check too. http://crbug.com/509135
if ((render_frame->IsHidden() && !has_played_media_before &&
!base::CommandLine::ForCurrentProcess()->HasSwitch(
switches::kDisableGestureRequirementForMediaPlayback)) ||
prerender::PrerenderHelper::IsPrerendering(render_frame)) {
new MediaLoadDeferrer(render_frame, closure);
return;
}
closure.Run();
}
#if defined(ENABLE_PLUGINS)
WebPlugin* ChromeContentRendererClient::CreatePlugin(
content::RenderFrame* render_frame,
WebLocalFrame* frame,
const WebPluginParams& original_params,
const ChromeViewHostMsg_GetPluginInfo_Output& output) {
const WebPluginInfo& info = output.plugin;
const std::string& actual_mime_type = output.actual_mime_type;
const base::string16& group_name = output.group_name;
const std::string& identifier = output.group_identifier;
ChromeViewHostMsg_GetPluginInfo_Status status = output.status;
GURL url(original_params.url);
std::string orig_mime_type = original_params.mimeType.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 == ChromeViewHostMsg_GetPluginInfo_Status::kNotFound ||
orig_mime_type == content::kBrowserPluginMimeType) {
PluginUMAReporter::GetInstance()->ReportPluginMissing(orig_mime_type, url);
placeholder = ChromePluginPlaceholder::CreateLoadableMissingPlugin(
render_frame, frame, original_params);
} else {
// TODO(bauerb): This should be in content/.
WebPluginParams params(original_params);
for (size_t i = 0; i < info.mime_types.size(); ++i) {
if (info.mime_types[i].mime_type == actual_mime_type) {
AppendParams(info.mime_types[i].additional_param_names,
info.mime_types[i].additional_param_values,
¶ms.attributeNames, ¶ms.attributeValues);
break;
}
}
if (params.mimeType.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.mimeType = WebString::fromUTF8(actual_mime_type.c_str());
}
ContentSettingsObserver* observer =
ContentSettingsObserver::Get(render_frame);
const ContentSettingsType content_type =
ShouldUseJavaScriptSettingForPlugin(info)
? CONTENT_SETTINGS_TYPE_JAVASCRIPT
: CONTENT_SETTINGS_TYPE_PLUGINS;
if ((status == ChromeViewHostMsg_GetPluginInfo_Status::kUnauthorized ||
status == ChromeViewHostMsg_GetPluginInfo_Status::kBlocked) &&
observer->IsPluginTemporarilyAllowed(identifier)) {
status = ChromeViewHostMsg_GetPluginInfo_Status::kAllowed;
}
auto create_blocked_plugin = [&render_frame, &frame, ¶ms, &info,
&identifier, &group_name](
int template_id, const base::string16& message) {
return ChromePluginPlaceholder::CreateBlockedPlugin(
render_frame, frame, params, info, identifier, group_name,
template_id, message, PowerSaverInfo());
};
switch (status) {
case ChromeViewHostMsg_GetPluginInfo_Status::kNotFound: {
NOTREACHED();
break;
}
case ChromeViewHostMsg_GetPluginInfo_Status::kAllowed:
case ChromeViewHostMsg_GetPluginInfo_Status::kPlayImportantContent: {
#if !defined(DISABLE_NACL) && defined(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->top()->document().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,
¶ms)) {
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::LevelError,
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 // !defined(DISABLE_NACL) && defined(ENABLE_EXTENSIONS)
// 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 ==
ChromeViewHostMsg_GetPluginInfo_Status::kPlayImportantContent;
PowerSaverInfo power_saver_info =
PowerSaverInfo::Get(render_frame, power_saver_setting_on, params,
info, frame->document().url());
if (power_saver_info.blocked_for_background_tab || is_prerendering ||
!power_saver_info.poster_attribute.empty()) {
placeholder = ChromePluginPlaceholder::CreateBlockedPlugin(
render_frame, 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);
placeholder->AllowLoading();
break;
}
std::unique_ptr<content::PluginInstanceThrottler> throttler;
// Small content filter requires routing through a placeholder.
if (ChromePluginPlaceholder::IsSmallContentFilterEnabled() &&
power_saver_info.power_saver_enabled) {
// The feature only applies to flash plugins.
if (power_saver_info.is_eligible) {
placeholder = ChromePluginPlaceholder::CreateDelayedPlugin(
render_frame, frame, params, info, identifier, group_name,
power_saver_info);
break;
}
}
if (power_saver_info.power_saver_enabled) {
throttler = PluginInstanceThrottler::Create();
// PluginPreroller manages its own lifetime.
new PluginPreroller(
render_frame, frame, params, info, identifier, group_name,
l10n_util::GetStringFUTF16(IDS_PLUGIN_BLOCKED, group_name),
throttler.get());
}
return render_frame->CreatePlugin(frame, info, params,
std::move(throttler));
}
case ChromeViewHostMsg_GetPluginInfo_Status::kDisabled: {
PluginUMAReporter::GetInstance()->ReportPluginDisabled(orig_mime_type,
url);
placeholder = create_blocked_plugin(
IDR_DISABLED_PLUGIN_HTML,
l10n_util::GetStringFUTF16(IDS_PLUGIN_DISABLED, group_name));
break;
}
case ChromeViewHostMsg_GetPluginInfo_Status::kOutdatedBlocked: {
#if defined(ENABLE_PLUGIN_INSTALLATION)
placeholder = create_blocked_plugin(
IDR_BLOCKED_PLUGIN_HTML,
l10n_util::GetStringFUTF16(IDS_PLUGIN_OUTDATED, group_name));
placeholder->AllowLoading();
render_frame->Send(new ChromeViewHostMsg_BlockedOutdatedPlugin(
render_frame->GetRoutingID(), placeholder->CreateRoutingId(),
identifier));
#else
NOTREACHED();
#endif
break;
}
case ChromeViewHostMsg_GetPluginInfo_Status::kOutdatedDisallowed: {
placeholder = create_blocked_plugin(
IDR_BLOCKED_PLUGIN_HTML,
l10n_util::GetStringFUTF16(IDS_PLUGIN_OUTDATED, group_name));
break;
}
case ChromeViewHostMsg_GetPluginInfo_Status::kUnauthorized: {
placeholder = create_blocked_plugin(
IDR_BLOCKED_PLUGIN_HTML,
l10n_util::GetStringFUTF16(IDS_PLUGIN_NOT_AUTHORIZED, group_name));
placeholder->AllowLoading();
render_frame->Send(new ChromeViewHostMsg_BlockedUnauthorizedPlugin(
render_frame->GetRoutingID(), group_name, identifier));
observer->DidBlockContentType(content_type, group_name);
break;
}
case ChromeViewHostMsg_GetPluginInfo_Status::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 ChromeViewHostMsg_GetPluginInfo_Status::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;
}
}
}
placeholder->SetStatus(status);
return placeholder->plugin();
}
#endif // defined(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) {
const content::WebPluginMimeType& content_type = plugin.mime_types[i];
for (size_t i = 0; i < content_type.additional_param_names.size(); ++i) {
if (content_type.additional_param_names[i] == nacl_attr)
return GURL(content_type.additional_param_values[i]);
}
break;
}
}
return GURL();
}
#if !defined(DISABLE_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 and WebUIs to use NaCl.
bool is_whitelisted_web_ui =
app_url.spec() == chrome::kChromeUIAppListStartPageURL;
bool is_invoked_by_webstore_installed_extension = false;
bool is_extension_unrestricted = false;
bool is_extension_force_installed = false;
#if defined(ENABLE_EXTENSIONS)
bool is_extension_from_webstore = extension && extension->from_webstore();
bool is_invoked_by_extension = app_url.SchemeIs("chrome-extension");
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 // defined(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 =
is_whitelisted_web_ui ||
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;
if (is_nacl_allowed) {
// Make sure that PPAPI 'dev' interfaces are only available for unpacked
// and component extensions. Also allow dev interfaces when --enable-nacl
// is set, but do not allow --enable-nacl to provide dev interfaces to
// webstore installed and other normally allowed URLs.
WebString dev_attribute = WebString::fromUTF8("@dev");
if (is_extension_unrestricted ||
(is_nacl_unrestricted && !is_nacl_allowed_by_location)) {
// Add the special '@dev' attribute.
std::vector<base::string16> param_names;
std::vector<base::string16> param_values;
param_names.push_back(dev_attribute);
param_values.push_back(WebString());
AppendParams(
param_names,
param_values,
¶ms->attributeNames,
¶ms->attributeValues);
} else {
// If the params somehow contain '@dev', remove it.
size_t attribute_count = params->attributeNames.size();
for (size_t i = 0; i < attribute_count; ++i) {
if (params->attributeNames[i].equals(dev_attribute))
params->attributeNames[i] = WebString();
}
}
}
return is_nacl_allowed;
}
#endif // defined(DISABLE_NACL)
bool ChromeContentRendererClient::HasErrorPage(int http_status_code,
std::string* error_domain) {
// Use an internal error page, if we have one for the status code.
if (!error_page::LocalizedError::HasStrings(
error_page::LocalizedError::kHttpErrorDomain, http_status_code)) {
return false;
}
*error_domain = error_page::LocalizedError::kHttpErrorDomain;
return true;
}
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.
return SearchBouncer::GetInstance()->IsNewTabPage(url);