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content_browser_client_impl.cc
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content_browser_client_impl.cc
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// Copyright 2019 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 "weblayer/browser/content_browser_client_impl.h"
#include <memory>
#include <utility>
#include "base/command_line.h"
#include "base/containers/flat_set.h"
#include "base/files/file.h"
#include "base/files/file_util.h"
#include "base/path_service.h"
#include "base/strings/string_piece.h"
#include "base/threading/thread_restrictions.h"
#include "base/time/time.h"
#include "build/build_config.h"
#include "build/chromeos_buildflags.h"
#include "components/autofill/content/browser/content_autofill_driver_factory.h"
#include "components/blocked_content/popup_blocker.h"
#include "components/captive_portal/core/buildflags.h"
#include "components/content_capture/browser/onscreen_content_provider.h"
#include "components/content_settings/core/browser/cookie_settings.h"
#include "components/embedder_support/content_settings_utils.h"
#include "components/embedder_support/switches.h"
#include "components/embedder_support/user_agent_utils.h"
#include "components/error_page/common/error.h"
#include "components/error_page/common/localized_error.h"
#include "components/error_page/content/browser/net_error_auto_reloader.h"
#include "components/metrics/metrics_service.h"
#include "components/network_time/network_time_tracker.h"
#include "components/no_state_prefetch/browser/no_state_prefetch_manager.h"
#include "components/no_state_prefetch/common/prerender_url_loader_throttle.h"
#include "components/page_load_metrics/browser/metrics_navigation_throttle.h"
#include "components/page_load_metrics/browser/metrics_web_contents_observer.h"
#include "components/performance_manager/embedder/performance_manager_registry.h"
#include "components/permissions/quota_permission_context_impl.h"
#include "components/prefs/json_pref_store.h"
#include "components/prefs/pref_registry_simple.h"
#include "components/prefs/pref_service_factory.h"
#include "components/prefs/scoped_user_pref_update.h"
#include "components/security_interstitials/content/insecure_form_navigation_throttle.h"
#include "components/security_interstitials/content/security_interstitial_tab_helper.h"
#include "components/security_interstitials/content/ssl_cert_reporter.h"
#include "components/security_interstitials/content/ssl_error_handler.h"
#include "components/security_interstitials/content/ssl_error_navigation_throttle.h"
#include "components/site_isolation/pref_names.h"
#include "components/site_isolation/preloaded_isolated_origins.h"
#include "components/site_isolation/site_isolation_policy.h"
#include "components/strings/grit/components_locale_settings.h"
#include "components/subresource_filter/content/browser/content_subresource_filter_throttle_manager.h"
#include "components/subresource_filter/content/browser/ruleset_version.h"
#include "components/user_prefs/user_prefs.h"
#include "components/variations/service/variations_service.h"
#include "components/version_info/version_info.h"
#include "content/public/browser/browser_context.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/client_certificate_delegate.h"
#include "content/public/browser/devtools_manager_delegate.h"
#include "content/public/browser/generated_code_cache_settings.h"
#include "content/public/browser/navigation_handle.h"
#include "content/public/browser/navigation_throttle.h"
#include "content/public/browser/network_service_instance.h"
#include "content/public/browser/page_navigator.h"
#include "content/public/browser/permission_controller.h"
#include "content/public/browser/render_process_host.h"
#include "content/public/common/content_features.h"
#include "content/public/common/content_switches.h"
#include "content/public/common/url_constants.h"
#include "content/public/common/window_container_type.mojom.h"
#include "mojo/public/cpp/bindings/binder_map.h"
#include "net/cert/x509_certificate.h"
#include "net/cookies/site_for_cookies.h"
#include "net/proxy_resolution/proxy_config.h"
#include "net/ssl/client_cert_identity.h"
#include "net/ssl/ssl_private_key.h"
#include "net/traffic_annotation/network_traffic_annotation.h"
#include "services/network/network_service.h"
#include "services/network/public/mojom/network_context.mojom.h"
#include "services/network/public/mojom/network_service.mojom.h"
#include "third_party/blink/public/common/associated_interfaces/associated_interface_registry.h"
#include "third_party/blink/public/common/loader/url_loader_throttle.h"
#include "third_party/blink/public/common/permissions/permission_utils.h"
#include "third_party/blink/public/common/user_agent/user_agent_metadata.h"
#include "third_party/blink/public/common/web_preferences/web_preferences.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/base/page_transition_types.h"
#include "url/gurl.h"
#include "url/origin.h"
#include "url/url_constants.h"
#include "weblayer/browser/browser_main_parts_impl.h"
#include "weblayer/browser/browser_process.h"
#include "weblayer/browser/cookie_settings_factory.h"
#include "weblayer/browser/download_manager_delegate_impl.h"
#include "weblayer/browser/feature_list_creator.h"
#include "weblayer/browser/host_content_settings_map_factory.h"
#include "weblayer/browser/i18n_util.h"
#include "weblayer/browser/navigation_controller_impl.h"
#include "weblayer/browser/navigation_error_navigation_throttle.h"
#include "weblayer/browser/navigation_ui_data_impl.h"
#include "weblayer/browser/no_state_prefetch/no_state_prefetch_manager_factory.h"
#include "weblayer/browser/no_state_prefetch/no_state_prefetch_utils.h"
#include "weblayer/browser/page_specific_content_settings_delegate.h"
#include "weblayer/browser/password_manager_driver_factory.h"
#include "weblayer/browser/popup_navigation_delegate_impl.h"
#include "weblayer/browser/profile_impl.h"
#include "weblayer/browser/signin_url_loader_throttle.h"
#include "weblayer/browser/system_network_context_manager.h"
#include "weblayer/browser/tab_impl.h"
#include "weblayer/browser/web_contents_view_delegate_impl.h"
#include "weblayer/browser/weblayer_browser_interface_binders.h"
#include "weblayer/browser/weblayer_security_blocking_page_factory.h"
#include "weblayer/browser/weblayer_speech_recognition_manager_delegate.h"
#include "weblayer/common/features.h"
#include "weblayer/common/weblayer_paths.h"
#include "weblayer/public/fullscreen_delegate.h"
#include "weblayer/public/main.h"
#if BUILDFLAG(IS_ANDROID)
#include "base/android/bundle_utils.h"
#include "base/android/jni_android.h"
#include "base/android/jni_string.h"
#include "base/android/path_utils.h"
#include "base/bind.h"
#include "components/browser_ui/client_certificate/android/ssl_client_certificate_request.h"
#include "components/cdm/browser/cdm_message_filter_android.h"
#include "components/cdm/browser/media_drm_storage_impl.h" // nogncheck
#include "components/crash/content/browser/crash_handler_host_linux.h"
#include "components/embedder_support/android/metrics/android_metrics_service_client.h"
#include "components/media_router/browser/presentation/presentation_service_delegate_impl.h" // nogncheck
#include "components/navigation_interception/intercept_navigation_delegate.h"
#include "components/permissions/bluetooth_delegate_impl.h"
#include "components/safe_browsing/core/browser/realtime/policy_engine.h" // nogncheck
#include "components/safe_browsing/core/browser/realtime/url_lookup_service.h" // nogncheck
#include "components/safe_browsing/core/common/safe_browsing_prefs.h"
#include "components/spellcheck/browser/spell_check_host_impl.h" // nogncheck
#include "content/public/browser/browser_task_traits.h"
#include "content/public/browser/browser_thread.h"
#include "mojo/public/cpp/bindings/self_owned_receiver.h"
#include "ui/base/resource/resource_bundle_android.h"
#include "weblayer/browser/android/metrics/weblayer_metrics_service_client.h"
#include "weblayer/browser/android_descriptors.h"
#include "weblayer/browser/bluetooth/weblayer_bluetooth_delegate_impl_client.h"
#include "weblayer/browser/browser_context_impl.h"
#include "weblayer/browser/devtools_manager_delegate_android.h"
#include "weblayer/browser/http_auth_handler_impl.h"
#include "weblayer/browser/media/media_router_factory.h"
#include "weblayer/browser/proxying_url_loader_factory_impl.h"
#include "weblayer/browser/safe_browsing/real_time_url_lookup_service_factory.h"
#include "weblayer/browser/safe_browsing/safe_browsing_service.h"
#include "weblayer/browser/tts_environment_android_impl.h"
#include "weblayer/browser/weblayer_factory_impl_android.h"
#endif
// TODO(crbug.com/1052397): Revisit once build flag switch of lacros-chrome is
// complete.
#if BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS_LACROS) || \
BUILDFLAG(IS_ANDROID)
#include "content/public/common/content_descriptors.h"
#endif
#if BUILDFLAG(IS_WIN)
#include "sandbox/policy/win/sandbox_win.h"
#include "sandbox/win/src/sandbox.h"
#endif
#if BUILDFLAG(ENABLE_CAPTIVE_PORTAL_DETECTION)
#include "weblayer/browser/captive_portal_service_factory.h"
#endif
#if BUILDFLAG(ENABLE_ARCORE)
#include "weblayer/browser/xr/xr_integration_client_impl.h"
#endif // BUILDFLAG(ENABLE_ARCORE)
namespace switches {
// Specifies a list of hosts for whom we bypass proxy settings and use direct
// connections. Ignored if --proxy-auto-detect or --no-proxy-server are also
// specified. This is a comma-separated list of bypass rules. See:
// "net/proxy_resolution/proxy_bypass_rules.h" for the format of these rules.
// TODO(alexclarke): Find a better place for this.
const char kProxyBypassList[] = "proxy-bypass-list";
} // namespace switches
namespace weblayer {
namespace {
bool IsSafebrowsingSupported() {
// TODO(timvolodine): consider the non-android case, see crbug.com/1015809.
// TODO(timvolodine): consider refactoring this out into safe_browsing/.
#if BUILDFLAG(IS_ANDROID)
return true;
#else
return false;
#endif
}
bool IsNetworkErrorAutoReloadEnabled() {
const base::CommandLine& command_line =
*base::CommandLine::ForCurrentProcess();
if (command_line.HasSwitch(embedder_support::kEnableAutoReload))
return true;
if (command_line.HasSwitch(embedder_support::kDisableAutoReload))
return false;
return true;
}
bool IsInHostedApp(content::WebContents* web_contents) {
return false;
}
bool ShouldIgnoreInterstitialBecauseNavigationDefaultedToHttps(
content::NavigationHandle* handle) {
return false;
}
class SSLCertReporterImpl : public SSLCertReporter {
public:
void ReportInvalidCertificateChain(
const std::string& serialized_report) override {}
};
// Wrapper for SSLErrorHandler::HandleSSLError() that supplies //weblayer-level
// parameters.
void HandleSSLErrorWrapper(
content::WebContents* web_contents,
int cert_error,
const net::SSLInfo& ssl_info,
const GURL& request_url,
std::unique_ptr<SSLCertReporter> ssl_cert_reporter,
SSLErrorHandler::BlockingPageReadyCallback blocking_page_ready_callback) {
captive_portal::CaptivePortalService* captive_portal_service = nullptr;
#if BUILDFLAG(ENABLE_CAPTIVE_PORTAL_DETECTION)
captive_portal_service = CaptivePortalServiceFactory::GetForBrowserContext(
web_contents->GetBrowserContext());
#endif
SSLErrorHandler::HandleSSLError(
web_contents, cert_error, ssl_info, request_url,
std::move(ssl_cert_reporter), std::move(blocking_page_ready_callback),
BrowserProcess::GetInstance()->GetNetworkTimeTracker(),
captive_portal_service,
std::make_unique<WebLayerSecurityBlockingPageFactory>());
}
#if BUILDFLAG(IS_ANDROID)
void CreateOriginId(cdm::MediaDrmStorageImpl::OriginIdObtainedCB callback) {
std::move(callback).Run(true, base::UnguessableToken::Create());
}
void AllowEmptyOriginIdCB(base::OnceCallback<void(bool)> callback) {
// Since CreateOriginId() always returns a non-empty origin ID, we don't need
// to allow empty origin ID.
std::move(callback).Run(false);
}
void CreateMediaDrmStorage(
content::RenderFrameHost* render_frame_host,
mojo::PendingReceiver<::media::mojom::MediaDrmStorage> receiver) {
CHECK(render_frame_host);
if (render_frame_host->GetLastCommittedOrigin().opaque()) {
DVLOG(1) << __func__ << ": Unique origin.";
return;
}
// The object will be deleted on connection error, or when the frame navigates
// away.
new cdm::MediaDrmStorageImpl(
*render_frame_host, base::BindRepeating(&CreateOriginId),
base::BindRepeating(&AllowEmptyOriginIdCB), std::move(receiver));
}
#endif // BUILDFLAG(IS_ANDROID)
void RegisterPrefs(PrefRegistrySimple* pref_registry) {
network_time::NetworkTimeTracker::RegisterPrefs(pref_registry);
pref_registry->RegisterIntegerPref(kDownloadNextIDPref, 0);
#if BUILDFLAG(IS_ANDROID)
metrics::AndroidMetricsServiceClient::RegisterPrefs(pref_registry);
safe_browsing::RegisterLocalStatePrefs(pref_registry);
#else
// Call MetricsService::RegisterPrefs() as VariationsService::RegisterPrefs()
// CHECKs that kVariationsCrashStreak has already been registered.
//
// Note that the above call to AndroidMetricsServiceClient::RegisterPrefs()
// implicitly calls MetricsService::RegisterPrefs(), so the below call is
// necessary only on non-Android platforms.
metrics::MetricsService::RegisterPrefs(pref_registry);
#endif
variations::VariationsService::RegisterPrefs(pref_registry);
subresource_filter::IndexedRulesetVersion::RegisterPrefs(pref_registry);
}
mojo::PendingRemote<prerender::mojom::PrerenderCanceler> GetPrerenderCanceler(
content::WebContents* web_contents) {
mojo::PendingRemote<prerender::mojom::PrerenderCanceler> canceler;
weblayer::NoStatePrefetchContentsFromWebContents(web_contents)
->AddPrerenderCancelerReceiver(canceler.InitWithNewPipeAndPassReceiver());
return canceler;
}
} // namespace
ContentBrowserClientImpl::ContentBrowserClientImpl(MainParams* params)
: params_(params) {
}
ContentBrowserClientImpl::~ContentBrowserClientImpl() = default;
std::unique_ptr<content::BrowserMainParts>
ContentBrowserClientImpl::CreateBrowserMainParts(
bool /* is_integration_test */) {
// This should be called after CreateFeatureListAndFieldTrials(), which
// creates |local_state_|.
DCHECK(local_state_);
std::unique_ptr<BrowserMainPartsImpl> browser_main_parts =
std::make_unique<BrowserMainPartsImpl>(params_, std::move(local_state_));
return browser_main_parts;
}
std::string ContentBrowserClientImpl::GetApplicationLocale() {
return i18n::GetApplicationLocale();
}
std::string ContentBrowserClientImpl::GetAcceptLangs(
content::BrowserContext* context) {
return i18n::GetAcceptLangs();
}
content::AllowServiceWorkerResult ContentBrowserClientImpl::AllowServiceWorker(
const GURL& scope,
const net::SiteForCookies& site_for_cookies,
const absl::optional<url::Origin>& top_frame_origin,
const GURL& script_url,
content::BrowserContext* context) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
return embedder_support::AllowServiceWorker(
scope, site_for_cookies, top_frame_origin,
CookieSettingsFactory::GetForBrowserContext(context).get(),
HostContentSettingsMapFactory::GetForBrowserContext(context));
}
bool ContentBrowserClientImpl::AllowSharedWorker(
const GURL& worker_url,
const net::SiteForCookies& site_for_cookies,
const absl::optional<url::Origin>& top_frame_origin,
const std::string& name,
const blink::StorageKey& storage_key,
content::BrowserContext* context,
int render_process_id,
int render_frame_id) {
return embedder_support::AllowSharedWorker(
worker_url, site_for_cookies, top_frame_origin, name, storage_key,
render_process_id, render_frame_id,
CookieSettingsFactory::GetForBrowserContext(context).get());
}
void ContentBrowserClientImpl::AllowWorkerFileSystem(
const GURL& url,
content::BrowserContext* browser_context,
const std::vector<content::GlobalRenderFrameHostId>& render_frames,
base::OnceCallback<void(bool)> callback) {
std::move(callback).Run(embedder_support::AllowWorkerFileSystem(
url, render_frames,
CookieSettingsFactory::GetForBrowserContext(browser_context).get()));
}
bool ContentBrowserClientImpl::AllowWorkerIndexedDB(
const GURL& url,
content::BrowserContext* browser_context,
const std::vector<content::GlobalRenderFrameHostId>& render_frames) {
return embedder_support::AllowWorkerIndexedDB(
url, render_frames,
CookieSettingsFactory::GetForBrowserContext(browser_context).get());
}
bool ContentBrowserClientImpl::AllowWorkerCacheStorage(
const GURL& url,
content::BrowserContext* browser_context,
const std::vector<content::GlobalRenderFrameHostId>& render_frames) {
return embedder_support::AllowWorkerCacheStorage(
url, render_frames,
CookieSettingsFactory::GetForBrowserContext(browser_context).get());
}
bool ContentBrowserClientImpl::AllowWorkerWebLocks(
const GURL& url,
content::BrowserContext* browser_context,
const std::vector<content::GlobalRenderFrameHostId>& render_frames) {
return embedder_support::AllowWorkerWebLocks(
url, CookieSettingsFactory::GetForBrowserContext(browser_context).get());
}
std::unique_ptr<content::WebContentsViewDelegate>
ContentBrowserClientImpl::GetWebContentsViewDelegate(
content::WebContents* web_contents) {
performance_manager::PerformanceManagerRegistry::GetInstance()
->MaybeCreatePageNodeForWebContents(web_contents);
return std::make_unique<WebContentsViewDelegateImpl>(web_contents);
}
bool ContentBrowserClientImpl::CanShutdownGpuProcessNowOnIOThread() {
return true;
}
std::unique_ptr<content::DevToolsManagerDelegate>
ContentBrowserClientImpl::CreateDevToolsManagerDelegate() {
#if BUILDFLAG(IS_ANDROID)
return std::make_unique<DevToolsManagerDelegateAndroid>();
#else
return std::make_unique<content::DevToolsManagerDelegate>();
#endif
}
void ContentBrowserClientImpl::LogWebFeatureForCurrentPage(
content::RenderFrameHost* render_frame_host,
blink::mojom::WebFeature feature) {
page_load_metrics::MetricsWebContentsObserver::RecordFeatureUsage(
render_frame_host, feature);
}
std::string ContentBrowserClientImpl::GetProduct() {
return version_info::GetProductNameAndVersionForUserAgent();
}
std::string ContentBrowserClientImpl::GetUserAgent() {
return embedder_support::GetUserAgent();
}
std::string ContentBrowserClientImpl::GetFullUserAgent() {
return embedder_support::GetFullUserAgent();
}
std::string ContentBrowserClientImpl::GetReducedUserAgent() {
return embedder_support::GetReducedUserAgent();
}
blink::UserAgentMetadata ContentBrowserClientImpl::GetUserAgentMetadata() {
return embedder_support::GetUserAgentMetadata();
}
void ContentBrowserClientImpl::OverrideWebkitPrefs(
content::WebContents* web_contents,
blink::web_pref::WebPreferences* prefs) {
prefs->default_encoding = l10n_util::GetStringUTF8(IDS_DEFAULT_ENCODING);
TabImpl* tab = TabImpl::FromWebContents(web_contents);
if (tab)
tab->SetWebPreferences(prefs);
}
void ContentBrowserClientImpl::ConfigureNetworkContextParams(
content::BrowserContext* context,
bool in_memory,
const base::FilePath& relative_partition_path,
network::mojom::NetworkContextParams* context_params,
cert_verifier::mojom::CertVerifierCreationParams*
cert_verifier_creation_params) {
SystemNetworkContextManager::ConfigureDefaultNetworkContextParams(
context_params, GetUserAgent());
// Headers coming from the embedder are implicitly trusted and should not
// trigger CORS checks.
context_params->allow_any_cors_exempt_header_for_browser = true;
context_params->accept_language = GetAcceptLangs(context);
if (!context->IsOffTheRecord()) {
context_params->file_paths = network::mojom::NetworkContextFilePaths::New();
context_params->file_paths->data_directory = context->GetPath();
context_params->file_paths->cookie_database_name =
base::FilePath(FILE_PATH_LITERAL("Cookies"));
context_params->http_cache_directory =
ProfileImpl::GetCachePath(context).Append(FILE_PATH_LITERAL("Cache"));
}
base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
if (command_line->HasSwitch(::switches::kProxyServer)) {
std::string proxy_server =
command_line->GetSwitchValueASCII(::switches::kProxyServer);
net::ProxyConfig proxy_config;
proxy_config.proxy_rules().ParseFromString(proxy_server);
if (command_line->HasSwitch(::switches::kProxyBypassList)) {
std::string bypass_list =
command_line->GetSwitchValueASCII(::switches::kProxyBypassList);
proxy_config.proxy_rules().bypass_rules.ParseFromString(bypass_list);
}
context_params->initial_proxy_config = net::ProxyConfigWithAnnotation(
proxy_config,
net::DefineNetworkTrafficAnnotation("undefined", "Nothing here yet."));
}
if (command_line->HasSwitch(embedder_support::kShortReportingDelay)) {
context_params->reporting_delivery_interval = base::Milliseconds(100);
}
}
void ContentBrowserClientImpl::OnNetworkServiceCreated(
network::mojom::NetworkService* network_service) {
if (!SystemNetworkContextManager::HasInstance())
SystemNetworkContextManager::CreateInstance(
embedder_support::GetUserAgent());
SystemNetworkContextManager::GetInstance()->OnNetworkServiceCreated(
network_service);
}
std::vector<std::unique_ptr<blink::URLLoaderThrottle>>
ContentBrowserClientImpl::CreateURLLoaderThrottles(
const network::ResourceRequest& request,
content::BrowserContext* browser_context,
const base::RepeatingCallback<content::WebContents*()>& wc_getter,
content::NavigationUIData* navigation_ui_data,
int frame_tree_node_id) {
std::vector<std::unique_ptr<blink::URLLoaderThrottle>> result;
if (base::FeatureList::IsEnabled(features::kWebLayerSafeBrowsing) &&
IsSafebrowsingSupported()) {
#if BUILDFLAG(IS_ANDROID)
BrowserContextImpl* browser_context_impl =
static_cast<BrowserContextImpl*>(browser_context);
bool is_safe_browsing_enabled = safe_browsing::IsSafeBrowsingEnabled(
*browser_context_impl->pref_service());
if (is_safe_browsing_enabled) {
bool is_real_time_lookup_enabled =
safe_browsing::RealTimePolicyEngine::CanPerformFullURLLookup(
browser_context_impl->pref_service(),
browser_context_impl->IsOffTheRecord(),
FeatureListCreator::GetInstance()->variations_service());
// |url_lookup_service| is used when real time url check is enabled.
safe_browsing::RealTimeUrlLookupServiceBase* url_lookup_service =
is_real_time_lookup_enabled
? RealTimeUrlLookupServiceFactory::GetForBrowserContext(
browser_context)
: nullptr;
result.push_back(GetSafeBrowsingService()->CreateURLLoaderThrottle(
wc_getter, frame_tree_node_id, url_lookup_service));
}
#endif
}
auto signin_throttle =
SigninURLLoaderThrottle::Create(browser_context, wc_getter);
if (signin_throttle)
result.push_back(std::move(signin_throttle));
// Create prerender URL throttle.
auto* web_contents = wc_getter.Run();
auto* no_state_prefetch_contents =
NoStatePrefetchContentsFromWebContents(web_contents);
if (no_state_prefetch_contents) {
result.push_back(std::make_unique<prerender::PrerenderURLLoaderThrottle>(
prerender::PrerenderHistograms::GetHistogramPrefix(
no_state_prefetch_contents->origin()),
GetPrerenderCanceler(web_contents)));
}
return result;
}
bool ContentBrowserClientImpl::IsHandledURL(const GURL& url) {
if (!url.is_valid()) {
// WebLayer handles error cases.
return true;
}
std::string scheme = url.scheme();
DCHECK_EQ(scheme, base::ToLowerASCII(scheme));
static const char* const kProtocolList[] = {
url::kHttpScheme,
url::kHttpsScheme,
#if BUILDFLAG(ENABLE_WEBSOCKETS)
url::kWsScheme,
url::kWssScheme,
#endif // BUILDFLAG(ENABLE_WEBSOCKETS)
url::kFileScheme,
content::kChromeDevToolsScheme,
content::kChromeUIScheme,
content::kChromeUIUntrustedScheme,
url::kDataScheme,
#if BUILDFLAG(IS_ANDROID)
url::kContentScheme,
#endif // BUILDFLAG(IS_ANDROID)
url::kAboutScheme,
url::kBlobScheme,
url::kFileSystemScheme,
};
for (const char* supported_protocol : kProtocolList) {
if (scheme == supported_protocol)
return true;
}
return false;
}
std::vector<url::Origin>
ContentBrowserClientImpl::GetOriginsRequiringDedicatedProcess() {
return site_isolation::GetBrowserSpecificBuiltInIsolatedOrigins();
}
bool ContentBrowserClientImpl::MayReuseHost(
content::RenderProcessHost* process_host) {
// If there is currently a no-state prefetcher in progress for the host
// provided, it may not be shared. We require prefetchers to be by themselves
// in a separate process so that we can monitor their resource usage.
prerender::NoStatePrefetchManager* no_state_prefetch_manager =
NoStatePrefetchManagerFactory::GetForBrowserContext(
process_host->GetBrowserContext());
if (no_state_prefetch_manager &&
!no_state_prefetch_manager->MayReuseProcessHost(process_host)) {
return false;
}
return true;
}
void ContentBrowserClientImpl::OverridePageVisibilityState(
content::RenderFrameHost* render_frame_host,
content::PageVisibilityState* visibility_state) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
content::WebContents* web_contents =
content::WebContents::FromRenderFrameHost(render_frame_host);
DCHECK(web_contents);
prerender::NoStatePrefetchManager* no_state_prefetch_manager =
NoStatePrefetchManagerFactory::GetForBrowserContext(
web_contents->GetBrowserContext());
if (no_state_prefetch_manager &&
no_state_prefetch_manager->IsWebContentsPrefetching(web_contents)) {
*visibility_state = content::PageVisibilityState::kHiddenButPainting;
}
}
bool ContentBrowserClientImpl::ShouldDisableSiteIsolation(
content::SiteIsolationMode site_isolation_mode) {
return site_isolation::SiteIsolationPolicy::
ShouldDisableSiteIsolationDueToMemoryThreshold(site_isolation_mode);
}
std::vector<std::string>
ContentBrowserClientImpl::GetAdditionalSiteIsolationModes() {
if (site_isolation::SiteIsolationPolicy::IsIsolationForPasswordSitesEnabled())
return {"Isolate Password Sites"};
return {};
}
void ContentBrowserClientImpl::PersistIsolatedOrigin(
content::BrowserContext* context,
const url::Origin& origin,
content::ChildProcessSecurityPolicy::IsolatedOriginSource source) {
site_isolation::SiteIsolationPolicy::PersistIsolatedOrigin(context, origin,
source);
}
base::OnceClosure ContentBrowserClientImpl::SelectClientCertificate(
content::WebContents* web_contents,
net::SSLCertRequestInfo* cert_request_info,
net::ClientCertIdentityList client_certs,
std::unique_ptr<content::ClientCertificateDelegate> delegate) {
#if BUILDFLAG(IS_ANDROID)
return browser_ui::ShowSSLClientCertificateSelector(
web_contents, cert_request_info, std::move(delegate));
#else
delegate->ContinueWithCertificate(nullptr, nullptr);
return base::OnceClosure();
#endif
}
bool ContentBrowserClientImpl::CanCreateWindow(
content::RenderFrameHost* opener,
const GURL& opener_url,
const GURL& opener_top_level_frame_url,
const url::Origin& source_origin,
content::mojom::WindowContainerType container_type,
const GURL& target_url,
const content::Referrer& referrer,
const std::string& frame_name,
WindowOpenDisposition disposition,
const blink::mojom::WindowFeatures& features,
bool user_gesture,
bool opener_suppressed,
bool* no_javascript_access) {
*no_javascript_access = false;
content::WebContents* web_contents =
content::WebContents::FromRenderFrameHost(opener);
// Block popups if there is no NewTabDelegate.
TabImpl* tab = TabImpl::FromWebContents(web_contents);
if (!tab || !tab->has_new_tab_delegate())
return false;
if (container_type == content::mojom::WindowContainerType::BACKGROUND ||
container_type == content::mojom::WindowContainerType::PERSISTENT) {
// WebLayer does not support extensions/apps, which are the only permitted
// users of background windows.
return false;
}
// WindowOpenDisposition has a *ton* of types, but the following are really
// the only ones that should be hit for this code path.
switch (disposition) {
case WindowOpenDisposition::NEW_FOREGROUND_TAB:
[[fallthrough]];
case WindowOpenDisposition::NEW_BACKGROUND_TAB:
[[fallthrough]];
case WindowOpenDisposition::NEW_POPUP:
[[fallthrough]];
case WindowOpenDisposition::NEW_WINDOW:
break;
default:
return false;
}
GURL popup_url(target_url);
opener->GetProcess()->FilterURL(false, &popup_url);
// Use ui::PAGE_TRANSITION_LINK to match the similar logic in //chrome.
content::OpenURLParams params(popup_url, referrer, disposition,
ui::PAGE_TRANSITION_LINK,
/*is_renderer_initiated*/ true);
params.user_gesture = user_gesture;
params.initiator_origin = source_origin;
params.source_render_frame_id = opener->GetRoutingID();
params.source_render_process_id = opener->GetProcess()->GetID();
params.source_site_instance = opener->GetSiteInstance();
// The content::OpenURLParams are created just for the delegate, and do not
// correspond to actual params created by //content, so pass null for the
// |open_url_params| argument here.
return blocked_content::MaybeBlockPopup(
web_contents, &opener_top_level_frame_url,
std::make_unique<PopupNavigationDelegateImpl>(params, web_contents,
opener),
/*open_url_params*/ nullptr, features,
HostContentSettingsMapFactory::GetForBrowserContext(
web_contents->GetBrowserContext())) != nullptr;
}
content::ControllerPresentationServiceDelegate*
ContentBrowserClientImpl::GetControllerPresentationServiceDelegate(
content::WebContents* web_contents) {
#if BUILDFLAG(IS_ANDROID)
if (WebLayerFactoryImplAndroid::GetClientMajorVersion() < 88)
return nullptr;
if (MediaRouterFactory::IsFeatureEnabled()) {
MediaRouterFactory::DoPlatformInitIfNeeded();
return media_router::PresentationServiceDelegateImpl::
GetOrCreateForWebContents(web_contents);
}
#endif
return nullptr;
}
void ContentBrowserClientImpl::OpenURL(
content::SiteInstance* site_instance,
const content::OpenURLParams& params,
base::OnceCallback<void(content::WebContents*)> callback) {
std::move(callback).Run(
ProfileImpl::FromBrowserContext(site_instance->GetBrowserContext())
->OpenUrl(params));
}
std::vector<std::unique_ptr<content::NavigationThrottle>>
ContentBrowserClientImpl::CreateThrottlesForNavigation(
content::NavigationHandle* handle) {
std::vector<std::unique_ptr<content::NavigationThrottle>> throttles;
TabImpl* tab = TabImpl::FromWebContents(handle->GetWebContents());
NavigationControllerImpl* navigation_controller = nullptr;
if (tab) {
navigation_controller =
static_cast<NavigationControllerImpl*>(tab->GetNavigationController());
}
NavigationImpl* navigation_impl = nullptr;
if (navigation_controller) {
navigation_impl =
navigation_controller->GetNavigationImplFromHandle(handle);
}
if (handle->IsInMainFrame()) {
NavigationUIDataImpl* navigation_ui_data =
static_cast<NavigationUIDataImpl*>(handle->GetNavigationUIData());
if ((!navigation_ui_data ||
!navigation_ui_data->disable_network_error_auto_reload()) &&
(!navigation_impl ||
!navigation_impl->disable_network_error_auto_reload()) &&
IsNetworkErrorAutoReloadEnabled()) {
auto auto_reload_throttle =
error_page::NetErrorAutoReloader::MaybeCreateThrottleFor(handle);
if (auto_reload_throttle)
throttles.push_back(std::move(auto_reload_throttle));
}
// MetricsNavigationThrottle requires that it runs before
// NavigationThrottles that may delay or cancel navigations, so only
// NavigationThrottles that don't delay or cancel navigations (e.g.
// throttles that are only observing callbacks without affecting navigation
// behavior) should be added before MetricsNavigationThrottle.
throttles.push_back(
page_load_metrics::MetricsNavigationThrottle::Create(handle));
if (TabImpl::FromWebContents(handle->GetWebContents())) {
throttles.push_back(
std::make_unique<NavigationErrorNavigationThrottle>(handle));
}
}
// The next highest priority throttle *must* be this as it's responsible for
// calling to NavigationController for certain events.
if (tab) {
auto throttle = navigation_controller->CreateNavigationThrottle(handle);
if (throttle)
throttles.push_back(std::move(throttle));
}
throttles.push_back(std::make_unique<SSLErrorNavigationThrottle>(
handle, std::make_unique<SSLCertReporterImpl>(),
base::BindOnce(&HandleSSLErrorWrapper), base::BindOnce(&IsInHostedApp),
base::BindOnce(
&ShouldIgnoreInterstitialBecauseNavigationDefaultedToHttps)));
std::unique_ptr<security_interstitials::InsecureFormNavigationThrottle>
insecure_form_throttle = security_interstitials::
InsecureFormNavigationThrottle::MaybeCreateNavigationThrottle(
handle, std::make_unique<WebLayerSecurityBlockingPageFactory>(),
nullptr);
if (insecure_form_throttle) {
throttles.push_back(std::move(insecure_form_throttle));
}
if (auto* throttle_manager =
subresource_filter::ContentSubresourceFilterThrottleManager::
FromNavigationHandle(*handle)) {
throttle_manager->MaybeAppendNavigationThrottles(handle, &throttles);
}
#if BUILDFLAG(IS_ANDROID)
if (IsSafebrowsingSupported()) {
std::unique_ptr<content::NavigationThrottle> safe_browsing_throttle =
GetSafeBrowsingService()->MaybeCreateSafeBrowsingNavigationThrottleFor(
handle);
if (safe_browsing_throttle)
throttles.push_back(std::move(safe_browsing_throttle));
}
if (!navigation_impl || !navigation_impl->disable_intent_processing()) {
std::unique_ptr<content::NavigationThrottle> intercept_navigation_throttle =
navigation_interception::InterceptNavigationDelegate::
MaybeCreateThrottleFor(
handle, navigation_interception::SynchronyMode::kAsync);
if (intercept_navigation_throttle)
throttles.push_back(std::move(intercept_navigation_throttle));
}
#endif
return throttles;
}
content::GeneratedCodeCacheSettings
ContentBrowserClientImpl::GetGeneratedCodeCacheSettings(
content::BrowserContext* context) {
DCHECK(context);
// If we pass 0 for size, disk_cache will pick a default size using the
// heuristics based on available disk size. These are implemented in
// disk_cache::PreferredCacheSize in net/disk_cache/cache_util.cc.
return content::GeneratedCodeCacheSettings(
true, 0, ProfileImpl::GetCachePath(context));
}
void ContentBrowserClientImpl::
RegisterAssociatedInterfaceBindersForRenderFrameHost(
content::RenderFrameHost& render_frame_host,
blink::AssociatedInterfaceRegistry& associated_registry) {
// TODO(https://crbug.com/1265864): Move the registry logic below to a
// dedicated file to ensure security review coverage.
// TODO(lingqi): Swap the parameters so that lambda functions are not needed.
associated_registry.AddInterface<autofill::mojom::AutofillDriver>(
base::BindRepeating(
[](content::RenderFrameHost* render_frame_host,
mojo::PendingAssociatedReceiver<autofill::mojom::AutofillDriver>
receiver) {
autofill::ContentAutofillDriverFactory::BindAutofillDriver(
std::move(receiver), render_frame_host);
},
&render_frame_host));
associated_registry.AddInterface<autofill::mojom::PasswordManagerDriver>(
base::BindRepeating(
[](content::RenderFrameHost* render_frame_host,
mojo::PendingAssociatedReceiver<
autofill::mojom::PasswordManagerDriver> receiver) {
PasswordManagerDriverFactory::BindPasswordManagerDriver(
std::move(receiver), render_frame_host);
},
&render_frame_host));
associated_registry.AddInterface<
content_capture::mojom::ContentCaptureReceiver>(base::BindRepeating(
[](content::RenderFrameHost* render_frame_host,
mojo::PendingAssociatedReceiver<
content_capture::mojom::ContentCaptureReceiver> receiver) {
content_capture::OnscreenContentProvider::BindContentCaptureReceiver(
std::move(receiver), render_frame_host);
},
&render_frame_host));
associated_registry.AddInterface<page_load_metrics::mojom::PageLoadMetrics>(
base::BindRepeating(
[](content::RenderFrameHost* render_frame_host,
mojo::PendingAssociatedReceiver<
page_load_metrics::mojom::PageLoadMetrics> receiver) {
page_load_metrics::MetricsWebContentsObserver::BindPageLoadMetrics(
std::move(receiver), render_frame_host);
},
&render_frame_host));
associated_registry.AddInterface<
security_interstitials::mojom::InterstitialCommands>(base::BindRepeating(
[](content::RenderFrameHost* render_frame_host,
mojo::PendingAssociatedReceiver<
security_interstitials::mojom::InterstitialCommands> receiver) {
security_interstitials::SecurityInterstitialTabHelper::
BindInterstitialCommands(std::move(receiver), render_frame_host);
},
&render_frame_host));
associated_registry.AddInterface<
subresource_filter::mojom::SubresourceFilterHost>(base::BindRepeating(
[](content::RenderFrameHost* render_frame_host,
mojo::PendingAssociatedReceiver<
subresource_filter::mojom::SubresourceFilterHost> receiver) {
subresource_filter::ContentSubresourceFilterThrottleManager::
BindReceiver(std::move(receiver), render_frame_host);
},
&render_frame_host));
}
void ContentBrowserClientImpl::ExposeInterfacesToRenderer(
service_manager::BinderRegistry* registry,
blink::AssociatedInterfaceRegistry* associated_registry,
content::RenderProcessHost* render_process_host) {
performance_manager::PerformanceManagerRegistry::GetInstance()
->CreateProcessNodeAndExposeInterfacesToRendererProcess(
registry, render_process_host);
#if BUILDFLAG(IS_ANDROID)
auto create_spellcheck_host =
[](mojo::PendingReceiver<spellcheck::mojom::SpellCheckHost> receiver) {
mojo::MakeSelfOwnedReceiver(std::make_unique<SpellCheckHostImpl>(),
std::move(receiver));
};
registry->AddInterface<spellcheck::mojom::SpellCheckHost>(
base::BindRepeating(create_spellcheck_host),
content::GetUIThreadTaskRunner({}));
if (base::FeatureList::IsEnabled(features::kWebLayerSafeBrowsing) &&
IsSafebrowsingSupported()) {
GetSafeBrowsingService()->AddInterface(registry, render_process_host);
}
#endif // BUILDFLAG(IS_ANDROID)
}
void ContentBrowserClientImpl::BindMediaServiceReceiver(
content::RenderFrameHost* render_frame_host,
mojo::GenericPendingReceiver receiver) {
#if BUILDFLAG(IS_ANDROID)
if (auto r = receiver.As<media::mojom::MediaDrmStorage>()) {
CreateMediaDrmStorage(render_frame_host, std::move(r));
return;
}
#endif
}
void ContentBrowserClientImpl::RegisterBrowserInterfaceBindersForFrame(
content::RenderFrameHost* render_frame_host,
mojo::BinderMapWithContext<content::RenderFrameHost*>* map) {
PopulateWebLayerFrameBinders(render_frame_host, map);
performance_manager::PerformanceManagerRegistry::GetInstance()
->ExposeInterfacesToRenderFrame(map);
}
void ContentBrowserClientImpl::RenderProcessWillLaunch(
content::RenderProcessHost* host) {
#if BUILDFLAG(IS_ANDROID)
host->AddFilter(new cdm::CdmMessageFilterAndroid(
!host->GetBrowserContext()->IsOffTheRecord(),
/*force_to_support_secure_codecs*/ false));
#endif
PageSpecificContentSettingsDelegate::InitializeRenderer(host);
}
scoped_refptr<content::QuotaPermissionContext>
ContentBrowserClientImpl::CreateQuotaPermissionContext() {
return base::MakeRefCounted<permissions::QuotaPermissionContextImpl>();
}
void ContentBrowserClientImpl::CreateFeatureListAndFieldTrials() {
local_state_ = CreateLocalState();
feature_list_creator_ =
std::make_unique<FeatureListCreator>(local_state_.get());
if (!SystemNetworkContextManager::HasInstance())
SystemNetworkContextManager::CreateInstance(GetUserAgent());
feature_list_creator_->SetSystemNetworkContextManager(
SystemNetworkContextManager::GetInstance());