blob: e0988afe3bf0ed6815f27177865cb75a33a520de [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_render_thread_observer.h"
#include <stddef.h>
#include <limits>
#include <memory>
#include <set>
#include <utility>
#include <vector>
#include "base/bind.h"
#include "base/command_line.h"
#include "base/files/file_util.h"
#include "base/location.h"
#include "base/macros.h"
#include "base/memory/weak_ptr.h"
#include "base/metrics/histogram.h"
#include "base/metrics/statistics_recorder.h"
#include "base/path_service.h"
#include "base/single_thread_task_runner.h"
#include "base/strings/utf_string_conversions.h"
#include "base/threading/platform_thread.h"
#include "base/threading/thread_task_runner_handle.h"
#include "build/build_config.h"
#include "chrome/common/cache_stats_recorder.mojom.h"
#include "chrome/common/child_process_logging.h"
#include "chrome/common/chrome_paths.h"
#include "chrome/common/media/media_resource_provider.h"
#include "chrome/common/net/net_resource_provider.h"
#include "chrome/common/render_messages.h"
#include "chrome/common/url_constants.h"
#include "chrome/renderer/content_settings_observer.h"
#include "chrome/renderer/security_filter_peer.h"
#include "components/visitedlink/renderer/visitedlink_slave.h"
#include "content/public/child/child_thread.h"
#include "content/public/common/content_switches.h"
#include "content/public/common/resource_usage_reporter_type_converters.h"
#include "content/public/common/service_manager_connection.h"
#include "content/public/common/service_names.mojom.h"
#include "content/public/common/simple_connection_filter.h"
#include "content/public/renderer/render_thread.h"
#include "content/public/renderer/render_view.h"
#include "content/public/renderer/render_view_visitor.h"
#include "content/public/renderer/resource_dispatcher_delegate.h"
#include "extensions/buildflags/buildflags.h"
#include "ipc/ipc_sync_channel.h"
#include "media/base/localized_strings.h"
#include "mojo/public/cpp/bindings/strong_binding.h"
#include "net/base/net_errors.h"
#include "net/base/net_module.h"
#include "services/service_manager/public/cpp/binder_registry.h"
#include "services/service_manager/public/cpp/connector.h"
#include "third_party/blink/public/common/associated_interfaces/associated_interface_registry.h"
#include "third_party/blink/public/web/web_document.h"
#include "third_party/blink/public/web/web_frame.h"
#include "third_party/blink/public/web/web_security_policy.h"
#include "third_party/blink/public/web/web_view.h"
#if BUILDFLAG(ENABLE_EXTENSIONS)
#include "chrome/renderer/extensions/extension_localization_peer.h"
#endif
using blink::WebCache;
using blink::WebSecurityPolicy;
using blink::WebString;
using content::RenderThread;
namespace {
const int kCacheStatsDelayMS = 2000;
class RendererResourceDelegate : public content::ResourceDispatcherDelegate {
public:
RendererResourceDelegate()
: weak_factory_(this) {
}
std::unique_ptr<content::RequestPeer> OnRequestComplete(
std::unique_ptr<content::RequestPeer> current_peer,
content::ResourceType resource_type,
int error_code) override {
// Update the browser about our cache.
// Rate limit informing the host of our cache stats.
if (!weak_factory_.HasWeakPtrs()) {
base::ThreadTaskRunnerHandle::Get()->PostDelayedTask(
FROM_HERE,
base::Bind(&RendererResourceDelegate::InformHostOfCacheStats,
weak_factory_.GetWeakPtr()),
base::TimeDelta::FromMilliseconds(kCacheStatsDelayMS));
}
if (error_code == net::ERR_ABORTED) {
return current_peer;
}
// Resource canceled with a specific error are filtered.
return SecurityFilterPeer::CreateSecurityFilterPeerForDeniedRequest(
resource_type, std::move(current_peer), error_code);
}
std::unique_ptr<content::RequestPeer> OnReceivedResponse(
std::unique_ptr<content::RequestPeer> current_peer,
const std::string& mime_type,
const GURL& url) override {
#if BUILDFLAG(ENABLE_EXTENSIONS)
return ExtensionLocalizationPeer::CreateExtensionLocalizationPeer(
std::move(current_peer), RenderThread::Get(), mime_type, url);
#else
return current_peer;
#endif
}
private:
void InformHostOfCacheStats() {
WebCache::UsageStats stats;
WebCache::GetUsageStats(&stats);
if (!cache_stats_recorder_) {
RenderThread::Get()->GetChannel()->GetRemoteAssociatedInterface(
&cache_stats_recorder_);
}
cache_stats_recorder_->RecordCacheStats(stats.capacity, stats.size);
}
chrome::mojom::CacheStatsRecorderAssociatedPtr cache_stats_recorder_;
base::WeakPtrFactory<RendererResourceDelegate> weak_factory_;
DISALLOW_COPY_AND_ASSIGN(RendererResourceDelegate);
};
} // namespace
bool ChromeRenderThreadObserver::is_incognito_process_ = false;
ChromeRenderThreadObserver::ChromeRenderThreadObserver()
: visited_link_slave_(new visitedlink::VisitedLinkSlave),
weak_factory_(this) {
RenderThread* thread = RenderThread::Get();
resource_delegate_.reset(new RendererResourceDelegate());
thread->SetResourceDispatcherDelegate(resource_delegate_.get());
// Configure modules that need access to resources.
net::NetModule::SetResourceProvider(chrome_common_net::NetResourceProvider);
media::SetLocalizedStringProvider(
chrome_common_media::LocalizedStringProvider);
// chrome-native: is a scheme used for placeholder navigations that allow
// UIs to be drawn with platform native widgets instead of HTML. These pages
// should not be accessible. No code should be runnable in these pages,
// so it should not need to access anything nor should it allow javascript
// URLs since it should never be visible to the user.
// See also ChromeContentClient::AddAdditionalSchemes that adds it as an
// empty document scheme.
WebString native_scheme(WebString::FromASCII(chrome::kChromeNativeScheme));
WebSecurityPolicy::RegisterURLSchemeAsDisplayIsolated(native_scheme);
WebSecurityPolicy::RegisterURLSchemeAsNotAllowingJavascriptURLs(
native_scheme);
auto registry = std::make_unique<service_manager::BinderRegistry>();
registry->AddInterface(visited_link_slave_->GetBindCallback(),
base::ThreadTaskRunnerHandle::Get());
if (content::ChildThread::Get()) {
content::ChildThread::Get()
->GetServiceManagerConnection()
->AddConnectionFilter(std::make_unique<content::SimpleConnectionFilter>(
std::move(registry)));
}
}
ChromeRenderThreadObserver::~ChromeRenderThreadObserver() {}
void ChromeRenderThreadObserver::RegisterMojoInterfaces(
blink::AssociatedInterfaceRegistry* associated_interfaces) {
associated_interfaces->AddInterface(base::Bind(
&ChromeRenderThreadObserver::OnRendererConfigurationAssociatedRequest,
base::Unretained(this)));
}
void ChromeRenderThreadObserver::UnregisterMojoInterfaces(
blink::AssociatedInterfaceRegistry* associated_interfaces) {
associated_interfaces->RemoveInterface(
chrome::mojom::RendererConfiguration::Name_);
}
void ChromeRenderThreadObserver::SetInitialConfiguration(
bool is_incognito_process) {
is_incognito_process_ = is_incognito_process;
}
void ChromeRenderThreadObserver::SetContentSettingRules(
const RendererContentSettingRules& rules) {
content_setting_rules_ = rules;
}
void ChromeRenderThreadObserver::SetFieldTrialGroup(
const std::string& trial_name,
const std::string& group_name) {
RenderThread::Get()->SetFieldTrialGroup(trial_name, group_name);
}
void ChromeRenderThreadObserver::OnRendererConfigurationAssociatedRequest(
chrome::mojom::RendererConfigurationAssociatedRequest request) {
renderer_configuration_bindings_.AddBinding(this, std::move(request));
}
const RendererContentSettingRules*
ChromeRenderThreadObserver::content_setting_rules() const {
return &content_setting_rules_;
}