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cef/libcef/browser/content_browser_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 "libcef/browser/content_browser_client.h"
#include <algorithm>
#include <utility>
#include "include/cef_version.h"
#include "libcef/browser/browser_context_impl.h"
#include "libcef/browser/browser_host_impl.h"
#include "libcef/browser/browser_info.h"
#include "libcef/browser/browser_info_manager.h"
#include "libcef/browser/browser_main.h"
#include "libcef/browser/browser_message_filter.h"
#include "libcef/browser/browser_platform_delegate.h"
#include "libcef/browser/context.h"
#include "libcef/browser/devtools/devtools_manager_delegate.h"
#include "libcef/browser/extensions/extension_system.h"
#include "libcef/browser/media_capture_devices_dispatcher.h"
#include "libcef/browser/net/chrome_scheme_handler.h"
#include "libcef/browser/plugins/plugin_service_filter.h"
#include "libcef/browser/prefs/renderer_prefs.h"
#include "libcef/browser/printing/printing_message_filter.h"
#include "libcef/browser/resource_dispatcher_host_delegate.h"
#include "libcef/browser/speech_recognition_manager_delegate.h"
#include "libcef/browser/ssl_info_impl.h"
#include "libcef/browser/thread_util.h"
#include "libcef/browser/x509_certificate_impl.h"
#include "libcef/common/cef_messages.h"
#include "libcef/common/cef_switches.h"
#include "libcef/common/command_line_impl.h"
#include "libcef/common/content_client.h"
#include "libcef/common/extensions/extensions_util.h"
#include "libcef/common/net/scheme_registration.h"
#include "libcef/common/request_impl.h"
#include "libcef/common/service_manifests/cef_content_browser_overlay_manifest.h"
#include "libcef/common/service_manifests/cef_content_gpu_overlay_manifest.h"
#include "libcef/common/service_manifests/cef_content_renderer_overlay_manifest.h"
#include "libcef/common/service_manifests/cef_content_utility_overlay_manifest.h"
#include "libcef/common/service_manifests/cef_packaged_service_manifests.h"
#include "libcef/common/service_manifests/cef_renderer_manifest.h"
#include "base/base_switches.h"
#include "base/command_line.h"
#include "base/files/file_path.h"
#include "base/json/json_reader.h"
#include "base/path_service.h"
#include "base/stl_util.h"
#include "cef/grit/cef_resources.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/chrome_service.h"
#include "chrome/browser/plugins/plugin_info_host_impl.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/renderer_host/pepper/chrome_browser_pepper_host_factory.h"
#include "chrome/common/chrome_switches.h"
#include "chrome/common/constants.mojom.h"
#include "chrome/grit/browser_resources.h"
#include "chrome/grit/generated_resources.h"
#include "chrome/services/printing/public/mojom/constants.mojom.h"
#include "components/navigation_interception/intercept_navigation_throttle.h"
#include "components/navigation_interception/navigation_params.h"
#include "components/services/pdf_compositor/public/interfaces/pdf_compositor.mojom.h"
#include "content/browser/frame_host/navigation_handle_impl.h"
#include "content/browser/frame_host/render_frame_host_impl.h"
#include "content/browser/plugin_service_impl.h"
#include "content/public/browser/browser_context.h"
#include "content/public/browser/browser_ppapi_host.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/child_process_security_policy.h"
#include "content/public/browser/client_certificate_delegate.h"
#include "content/public/browser/navigation_handle.h"
#include "content/public/browser/page_navigator.h"
#include "content/public/browser/quota_permission_context.h"
#include "content/public/browser/render_frame_host.h"
#include "content/public/browser/render_process_host.h"
#include "content/public/browser/render_view_host.h"
#include "content/public/browser/render_widget_host.h"
#include "content/public/browser/render_widget_host_view.h"
#include "content/public/browser/resource_dispatcher_host.h"
#include "content/public/browser/storage_partition.h"
#include "content/public/common/content_switches.h"
#include "content/public/common/service_names.mojom.h"
#include "content/public/common/storage_quota_params.h"
#include "content/public/common/user_agent.h"
#include "content/public/common/web_preferences.h"
#include "extensions/browser/api/web_request/web_request_api.h"
#include "extensions/browser/extension_message_filter.h"
#include "extensions/browser/extension_protocols.h"
#include "extensions/browser/extension_registry.h"
#include "extensions/browser/extensions_browser_client.h"
#include "extensions/browser/guest_view/extensions_guest_view_message_filter.h"
#include "extensions/browser/guest_view/web_view/web_view_guest.h"
#include "extensions/browser/io_thread_extension_message_filter.h"
#include "extensions/common/constants.h"
#include "extensions/common/switches.h"
#include "net/ssl/ssl_cert_request_info.h"
#include "ppapi/host/ppapi_host.h"
#include "services/service_manager/embedder/switches.h"
#include "services/service_manager/public/mojom/connector.mojom.h"
#include "services/service_manager/sandbox/switches.h"
#include "storage/browser/quota/quota_settings.h"
#include "third_party/blink/public/web/web_window_features.h"
#include "third_party/widevine/cdm/buildflags.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/base/resource/resource_bundle.h"
#include "ui/base/ui_base_switches.h"
#include "url/gurl.h"
#if defined(OS_LINUX)
#include "libcef/common/widevine_loader.h"
#endif
#if defined(OS_POSIX) && !defined(OS_MACOSX)
#include "base/debug/leak_annotations.h"
#include "chrome/common/chrome_paths.h"
#include "components/crash/content/app/breakpad_linux.h"
#include "components/crash/content/browser/crash_handler_host_linux.h"
#include "content/public/common/content_descriptors.h"
#endif
#if defined(OS_MACOSX)
#include "services/audio/public/mojom/constants.mojom.h"
#include "services/video_capture/public/mojom/constants.mojom.h"
#endif
#if defined(OS_WIN)
#include "sandbox/win/src/sandbox_policy.h"
#endif
namespace {
class CefQuotaCallbackImpl : public CefRequestCallback {
public:
explicit CefQuotaCallbackImpl(
const content::QuotaPermissionContext::PermissionCallback& callback)
: callback_(callback) {}
~CefQuotaCallbackImpl() {
if (!callback_.is_null()) {
// The callback is still pending. Cancel it now.
if (CEF_CURRENTLY_ON_IOT()) {
RunNow(callback_, false);
} else {
CEF_POST_TASK(CEF_IOT, base::Bind(&CefQuotaCallbackImpl::RunNow,
callback_, false));
}
}
}
void Continue(bool allow) override {
if (CEF_CURRENTLY_ON_IOT()) {
if (!callback_.is_null()) {
RunNow(callback_, allow);
callback_.Reset();
}
} else {
CEF_POST_TASK(CEF_IOT,
base::Bind(&CefQuotaCallbackImpl::Continue, this, allow));
}
}
void Cancel() override { Continue(false); }
void Disconnect() { callback_.Reset(); }
private:
static void RunNow(
const content::QuotaPermissionContext::PermissionCallback& callback,
bool allow) {
CEF_REQUIRE_IOT();
callback.Run(
allow ? content::QuotaPermissionContext::QUOTA_PERMISSION_RESPONSE_ALLOW
: content::QuotaPermissionContext::
QUOTA_PERMISSION_RESPONSE_DISALLOW);
}
content::QuotaPermissionContext::PermissionCallback callback_;
IMPLEMENT_REFCOUNTING(CefQuotaCallbackImpl);
DISALLOW_COPY_AND_ASSIGN(CefQuotaCallbackImpl);
};
class CefAllowCertificateErrorCallbackImpl : public CefRequestCallback {
public:
typedef base::Callback<void(content::CertificateRequestResultType)>
CallbackType;
explicit CefAllowCertificateErrorCallbackImpl(const CallbackType& callback)
: callback_(callback) {}
~CefAllowCertificateErrorCallbackImpl() {
if (!callback_.is_null()) {
// The callback is still pending. Cancel it now.
if (CEF_CURRENTLY_ON_UIT()) {
RunNow(callback_, false);
} else {
CEF_POST_TASK(CEF_UIT,
base::Bind(&CefAllowCertificateErrorCallbackImpl::RunNow,
callback_, false));
}
}
}
void Continue(bool allow) override {
if (CEF_CURRENTLY_ON_UIT()) {
if (!callback_.is_null()) {
RunNow(callback_, allow);
callback_.Reset();
}
} else {
CEF_POST_TASK(CEF_UIT,
base::Bind(&CefAllowCertificateErrorCallbackImpl::Continue,
this, allow));
}
}
void Cancel() override { Continue(false); }
void Disconnect() { callback_.Reset(); }
private:
static void RunNow(const CallbackType& callback, bool allow) {
CEF_REQUIRE_UIT();
callback.Run(allow ? content::CERTIFICATE_REQUEST_RESULT_TYPE_CONTINUE
: content::CERTIFICATE_REQUEST_RESULT_TYPE_CANCEL);
}
CallbackType callback_;
IMPLEMENT_REFCOUNTING(CefAllowCertificateErrorCallbackImpl);
DISALLOW_COPY_AND_ASSIGN(CefAllowCertificateErrorCallbackImpl);
};
class CefSelectClientCertificateCallbackImpl
: public CefSelectClientCertificateCallback {
public:
explicit CefSelectClientCertificateCallbackImpl(
std::unique_ptr<content::ClientCertificateDelegate> delegate)
: delegate_(std::move(delegate)) {}
~CefSelectClientCertificateCallbackImpl() {
// If Select has not been called, call it with NULL to continue without any
// client certificate.
if (delegate_)
DoSelect(NULL);
}
void Select(CefRefPtr<CefX509Certificate> cert) override {
if (delegate_)
DoSelect(cert);
}
private:
void DoSelect(CefRefPtr<CefX509Certificate> cert) {
if (CEF_CURRENTLY_ON_UIT()) {
RunNow(std::move(delegate_), cert);
} else {
CEF_POST_TASK(CEF_UIT,
base::Bind(&CefSelectClientCertificateCallbackImpl::RunNow,
base::Passed(std::move(delegate_)), cert));
}
}
static void RunNow(
std::unique_ptr<content::ClientCertificateDelegate> delegate,
CefRefPtr<CefX509Certificate> cert) {
CEF_REQUIRE_UIT();
if (cert) {
CefX509CertificateImpl* certImpl =
static_cast<CefX509CertificateImpl*>(cert.get());
certImpl->AcquirePrivateKey(
base::Bind(&CefSelectClientCertificateCallbackImpl::RunWithPrivateKey,
base::Passed(std::move(delegate)), cert));
return;
}
delegate->ContinueWithCertificate(nullptr, nullptr);
}
static void RunWithPrivateKey(
std::unique_ptr<content::ClientCertificateDelegate> delegate,
CefRefPtr<CefX509Certificate> cert,
scoped_refptr<net::SSLPrivateKey> key) {
CEF_REQUIRE_UIT();
DCHECK(cert);
if (key) {
CefX509CertificateImpl* certImpl =
static_cast<CefX509CertificateImpl*>(cert.get());
delegate->ContinueWithCertificate(certImpl->GetInternalCertObject(), key);
} else {
delegate->ContinueWithCertificate(nullptr, nullptr);
}
}
std::unique_ptr<content::ClientCertificateDelegate> delegate_;
IMPLEMENT_REFCOUNTING(CefSelectClientCertificateCallbackImpl);
DISALLOW_COPY_AND_ASSIGN(CefSelectClientCertificateCallbackImpl);
};
class CefQuotaPermissionContext : public content::QuotaPermissionContext {
public:
CefQuotaPermissionContext() {}
// The callback will be dispatched on the IO thread.
void RequestQuotaPermission(const content::StorageQuotaParams& params,
int render_process_id,
const PermissionCallback& callback) override {
if (params.storage_type != blink::mojom::StorageType::kPersistent) {
// To match Chrome behavior we only support requesting quota with this
// interface for Persistent storage type.
callback.Run(QUOTA_PERMISSION_RESPONSE_DISALLOW);
return;
}
bool handled = false;
CefRefPtr<CefBrowserHostImpl> browser =
CefBrowserHostImpl::GetBrowserForFrame(render_process_id,
params.render_frame_id);
if (browser.get()) {
CefRefPtr<CefClient> client = browser->GetClient();
if (client.get()) {
CefRefPtr<CefRequestHandler> handler = client->GetRequestHandler();
if (handler.get()) {
CefRefPtr<CefQuotaCallbackImpl> callbackImpl(
new CefQuotaCallbackImpl(callback));
handled = handler->OnQuotaRequest(
browser.get(), params.origin_url.spec(), params.requested_size,
callbackImpl.get());
if (!handled)
callbackImpl->Disconnect();
}
}
}
if (!handled) {
// Disallow the request by default.
callback.Run(QUOTA_PERMISSION_RESPONSE_DISALLOW);
}
}
private:
~CefQuotaPermissionContext() override {}
DISALLOW_COPY_AND_ASSIGN(CefQuotaPermissionContext);
};
#if defined(OS_POSIX) && !defined(OS_MACOSX)
breakpad::CrashHandlerHostLinux* CreateCrashHandlerHost(
const std::string& process_type) {
base::FilePath dumps_path;
base::PathService::Get(chrome::DIR_CRASH_DUMPS, &dumps_path);
{
ANNOTATE_SCOPED_MEMORY_LEAK;
// Uploads will only occur if a non-empty crash URL is specified in
// CefMainDelegate::InitCrashReporter.
breakpad::CrashHandlerHostLinux* crash_handler =
new breakpad::CrashHandlerHostLinux(process_type, dumps_path,
true /* upload */);
crash_handler->StartUploaderThread();
return crash_handler;
}
}
int GetCrashSignalFD(const base::CommandLine& command_line) {
if (!breakpad::IsCrashReporterEnabled())
return -1;
// Extensions have the same process type as renderers.
if (command_line.HasSwitch(extensions::switches::kExtensionProcess)) {
static breakpad::CrashHandlerHostLinux* crash_handler = NULL;
if (!crash_handler)
crash_handler = CreateCrashHandlerHost("extension");
return crash_handler->GetDeathSignalSocket();
}
std::string process_type =
command_line.GetSwitchValueASCII(switches::kProcessType);
if (process_type == switches::kRendererProcess) {
static breakpad::CrashHandlerHostLinux* crash_handler = NULL;
if (!crash_handler)
crash_handler = CreateCrashHandlerHost(process_type);
return crash_handler->GetDeathSignalSocket();
}
if (process_type == switches::kPpapiPluginProcess) {
static breakpad::CrashHandlerHostLinux* crash_handler = NULL;
if (!crash_handler)
crash_handler = CreateCrashHandlerHost(process_type);
return crash_handler->GetDeathSignalSocket();
}
if (process_type == switches::kGpuProcess) {
static breakpad::CrashHandlerHostLinux* crash_handler = NULL;
if (!crash_handler)
crash_handler = CreateCrashHandlerHost(process_type);
return crash_handler->GetDeathSignalSocket();
}
return -1;
}
#endif // defined(OS_POSIX) && !defined(OS_MACOSX)
// TODO(cef): We can't currently trust NavigationParams::is_main_frame() because
// it's always set to true in
// InterceptNavigationThrottle::CheckIfShouldIgnoreNavigation. Remove the
// |is_main_frame| argument once this problem is fixed.
bool NavigationOnUIThread(
bool is_main_frame,
int64 frame_id,
int64 parent_frame_id,
content::WebContents* source,
const navigation_interception::NavigationParams& params) {
CEF_REQUIRE_UIT();
bool ignore_navigation = false;
CefRefPtr<CefBrowserHostImpl> browser =
CefBrowserHostImpl::GetBrowserForContents(source);
if (browser.get()) {
CefRefPtr<CefClient> client = browser->GetClient();
if (client.get()) {
CefRefPtr<CefRequestHandler> handler = client->GetRequestHandler();
if (handler.get()) {
CefRefPtr<CefFrame> frame;
if (is_main_frame) {
frame = browser->GetMainFrame();
} else if (frame_id >= 0) {
frame = browser->GetFrame(frame_id);
DCHECK(frame);
} else {
// Create a temporary frame object for navigation of sub-frames that
// don't yet exist.
frame = new CefFrameHostImpl(
browser.get(), CefFrameHostImpl::kInvalidFrameId, false,
CefString(), CefString(), parent_frame_id);
}
CefRefPtr<CefRequestImpl> request = new CefRequestImpl();
request->Set(params, is_main_frame);
request->SetReadOnly(true);
// Initiating a new navigation in OnBeforeBrowse will delete the
// InterceptNavigationThrottle that currently owns this callback,
// resulting in a crash. Use the lock to prevent that.
std::unique_ptr<CefBrowserHostImpl::NavigationLock> navigation_lock =
browser->CreateNavigationLock();
ignore_navigation = handler->OnBeforeBrowse(
browser.get(), frame, request.get(), params.has_user_gesture(),
params.is_redirect());
}
}
}
return ignore_navigation;
}
} // namespace
CefContentBrowserClient::CefContentBrowserClient() : browser_main_parts_(NULL) {
plugin_service_filter_.reset(new CefPluginServiceFilter);
content::PluginServiceImpl::GetInstance()->SetFilter(
plugin_service_filter_.get());
}
CefContentBrowserClient::~CefContentBrowserClient() {}
// static
CefContentBrowserClient* CefContentBrowserClient::Get() {
if (!CefContentClient::Get())
return nullptr;
return static_cast<CefContentBrowserClient*>(
CefContentClient::Get()->browser());
}
content::BrowserMainParts* CefContentBrowserClient::CreateBrowserMainParts(
const content::MainFunctionParams& parameters) {
browser_main_parts_ = new CefBrowserMainParts(parameters);
browser_main_parts_->AddParts(
ChromeService::GetInstance()->CreateExtraParts());
return browser_main_parts_;
}
void CefContentBrowserClient::RenderProcessWillLaunch(
content::RenderProcessHost* host,
service_manager::mojom::ServiceRequest* service_request) {
const int id = host->GetID();
Profile* profile = Profile::FromBrowserContext(host->GetBrowserContext());
host->AddFilter(new CefBrowserMessageFilter(id));
host->AddFilter(new printing::CefPrintingMessageFilter(id, profile));
if (extensions::ExtensionsEnabled()) {
host->AddFilter(new extensions::ExtensionMessageFilter(id, profile));
host->AddFilter(
new extensions::IOThreadExtensionMessageFilter(id, profile));
host->AddFilter(
new extensions::ExtensionsGuestViewMessageFilter(id, profile));
}
// If the renderer process crashes then the host may already have
// CefBrowserInfoManager as an observer. Try to remove it first before adding
// to avoid DCHECKs.
host->RemoveObserver(CefBrowserInfoManager::GetInstance());
host->AddObserver(CefBrowserInfoManager::GetInstance());
host->Send(
new CefProcessMsg_SetIsIncognitoProcess(profile->IsOffTheRecord()));
service_manager::mojom::ServicePtr service;
*service_request = mojo::MakeRequest(&service);
service_manager::mojom::PIDReceiverPtr pid_receiver;
service_manager::Identity renderer_identity = host->GetChildIdentity();
ChromeService::GetInstance()->connector()->RegisterServiceInstance(
service_manager::Identity(chrome::mojom::kRendererServiceName,
renderer_identity.instance_group(),
renderer_identity.instance_id(),
base::Token::CreateRandom()),
std::move(service), mojo::MakeRequest(&pid_receiver));
}
bool CefContentBrowserClient::ShouldUseProcessPerSite(
content::BrowserContext* browser_context,
const GURL& effective_url) {
if (!extensions::ExtensionsEnabled())
return false;
if (!effective_url.SchemeIs(extensions::kExtensionScheme))
return false;
extensions::ExtensionRegistry* registry =
extensions::ExtensionRegistry::Get(browser_context);
if (!registry)
return false;
const extensions::Extension* extension =
registry->enabled_extensions().GetByID(effective_url.host());
if (!extension)
return false;
// TODO(extensions): Extra checks required if type is TYPE_HOSTED_APP.
// Hosted apps that have script access to their background page must use
// process per site, since all instances can make synchronous calls to the
// background window. Other extensions should use process per site as well.
return true;
}
bool CefContentBrowserClient::IsHandledURL(const GURL& url) {
if (!url.is_valid())
return false;
const std::string& scheme = url.scheme();
DCHECK_EQ(scheme, base::ToLowerASCII(scheme));
if (scheme::IsInternalHandledScheme(scheme))
return true;
return CefContentClient::Get()->HasCustomScheme(scheme);
}
void CefContentBrowserClient::SiteInstanceGotProcess(
content::SiteInstance* site_instance) {
if (!extensions::ExtensionsEnabled())
return;
// If this isn't an extension renderer there's nothing to do.
const extensions::Extension* extension = GetExtension(site_instance);
if (!extension)
return;
CefBrowserContext* browser_context =
static_cast<CefBrowserContext*>(site_instance->GetBrowserContext());
extensions::ProcessMap::Get(browser_context)
->Insert(extension->id(), site_instance->GetProcess()->GetID(),
site_instance->GetId());
CEF_POST_TASK(
CEF_IOT, base::Bind(&extensions::InfoMap::RegisterExtensionProcess,
browser_context->extension_system()->info_map(),
extension->id(), site_instance->GetProcess()->GetID(),
site_instance->GetId()));
}
void CefContentBrowserClient::SiteInstanceDeleting(
content::SiteInstance* site_instance) {
if (!extensions::ExtensionsEnabled())
return;
// May be NULL during shutdown.
if (!extensions::ExtensionsBrowserClient::Get())
return;
// May be NULL during shutdown.
if (!site_instance->HasProcess())
return;
// If this isn't an extension renderer there's nothing to do.
const extensions::Extension* extension = GetExtension(site_instance);
if (!extension)
return;
CefBrowserContext* browser_context =
static_cast<CefBrowserContext*>(site_instance->GetBrowserContext());
extensions::ProcessMap::Get(browser_context)
->Remove(extension->id(), site_instance->GetProcess()->GetID(),
site_instance->GetId());
CEF_POST_TASK(
CEF_IOT, base::Bind(&extensions::InfoMap::UnregisterExtensionProcess,
browser_context->extension_system()->info_map(),
extension->id(), site_instance->GetProcess()->GetID(),
site_instance->GetId()));
}
void CefContentBrowserClient::RegisterIOThreadServiceHandlers(
content::ServiceManagerConnection* connection) {
// For spell checking.
connection->AddServiceRequestHandler(
chrome::mojom::kServiceName,
ChromeService::GetInstance()->CreateChromeServiceRequestHandler());
}
void CefContentBrowserClient::RegisterOutOfProcessServices(
OutOfProcessServiceMap* services) {
(*services)[printing::mojom::kServiceName] =
base::BindRepeating(&base::ASCIIToUTF16, "PDF Compositor Service");
(*services)[printing::mojom::kChromePrintingServiceName] =
base::BindRepeating(&base::ASCIIToUTF16, "Printing Service");
(*services)[proxy_resolver::mojom::kProxyResolverServiceName] =
base::BindRepeating(&l10n_util::GetStringUTF16,
IDS_UTILITY_PROCESS_PROXY_RESOLVER_NAME);
}
base::Optional<service_manager::Manifest>
CefContentBrowserClient::GetServiceManifestOverlay(base::StringPiece name) {
if (name == content::mojom::kBrowserServiceName) {
return GetCefContentBrowserOverlayManifest();
} else if (name == content::mojom::kGpuServiceName) {
return GetCefContentGpuOverlayManifest();
} else if (name == content::mojom::kPackagedServicesServiceName) {
service_manager::Manifest overlay;
overlay.packaged_services = GetCefPackagedServiceManifests();
return overlay;
} else if (name == content::mojom::kRendererServiceName) {
return GetCefContentRendererOverlayManifest();
} else if (name == content::mojom::kUtilityServiceName) {
return GetCefContentUtilityOverlayManifest();
}
return base::nullopt;
}
std::vector<service_manager::Manifest>
CefContentBrowserClient::GetExtraServiceManifests() {
return std::vector<service_manager::Manifest>{GetCefRendererManifest()};
}
bool CefContentBrowserClient::IsSameBrowserContext(
content::BrowserContext* context1,
content::BrowserContext* context2) {
return CefBrowserContextImpl::GetForContext(context1) ==
CefBrowserContextImpl::GetForContext(context2);
}
void CefContentBrowserClient::AppendExtraCommandLineSwitches(
base::CommandLine* command_line,
int child_process_id) {
const base::CommandLine* browser_cmd = base::CommandLine::ForCurrentProcess();
{
// Propagate the following switches to all command lines (along with any
// associated values) if present in the browser command line.
static const char* const kSwitchNames[] = {
switches::kDisablePackLoading,
#if defined(OS_MACOSX)
switches::kFrameworkDirPath,
#endif
switches::kLocalesDirPath,
switches::kLogFile,
switches::kLogSeverity,
switches::kProductVersion,
switches::kResourcesDirPath,
switches::kUserAgent,
};
command_line->CopySwitchesFrom(*browser_cmd, kSwitchNames,
base::size(kSwitchNames));
}
const std::string& process_type =
command_line->GetSwitchValueASCII(switches::kProcessType);
if (process_type == switches::kRendererProcess) {
// Propagate the following switches to the renderer command line (along with
// any associated values) if present in the browser command line.
static const char* const kSwitchNames[] = {
switches::kDisableExtensions,
switches::kDisablePdfExtension,
switches::kDisablePlugins,
switches::kDisableScrollBounce,
switches::kDisableSpellChecking,
switches::kEnableSpeechInput,
switches::kEnableSystemFlash,
switches::kPpapiFlashArgs,
switches::kPpapiFlashPath,
switches::kPpapiFlashVersion,
switches::kUncaughtExceptionStackSize,
switches::kUnsafelyTreatInsecureOriginAsSecure,
};
command_line->CopySwitchesFrom(*browser_cmd, kSwitchNames,
base::size(kSwitchNames));
if (extensions::ExtensionsEnabled()) {
// Based on ChromeContentBrowserClientExtensionsPart::
// AppendExtraRendererCommandLineSwitches
content::RenderProcessHost* process =
content::RenderProcessHost::FromID(child_process_id);
content::BrowserContext* browser_context =
process ? process->GetBrowserContext() : NULL;
if (browser_context && extensions::ProcessMap::Get(browser_context)
->Contains(process->GetID())) {
command_line->AppendSwitch(extensions::switches::kExtensionProcess);
}
}
} else {
// Propagate the following switches to non-renderer command line (along with
// any associated values) if present in the browser command line.
static const char* const kSwitchNames[] = {
switches::kLang,
};
command_line->CopySwitchesFrom(*browser_cmd, kSwitchNames,
base::size(kSwitchNames));
}
#if defined(OS_LINUX)
if (process_type == service_manager::switches::kZygoteProcess) {
// Propagate the following switches to the zygote command line (along with
// any associated values) if present in the browser command line.
static const char* const kSwitchNames[] = {
switches::kPpapiFlashPath,
switches::kPpapiFlashVersion,
};
command_line->CopySwitchesFrom(*browser_cmd, kSwitchNames,
base::size(kSwitchNames));
#if BUILDFLAG(ENABLE_WIDEVINE) && BUILDFLAG(ENABLE_LIBRARY_CDMS)
if (!browser_cmd->HasSwitch(service_manager::switches::kNoSandbox)) {
// Pass the Widevine CDM path to the Zygote process. See comments in
// CefWidevineLoader::AddContentDecryptionModules.
const base::FilePath& cdm_path = CefWidevineLoader::GetInstance()->path();
if (!cdm_path.empty())
command_line->AppendSwitchPath(switches::kWidevineCdmPath, cdm_path);
}
#endif
if (browser_cmd->HasSwitch(switches::kBrowserSubprocessPath)) {
// Force use of the sub-process executable path for the zygote process.
const base::FilePath& subprocess_path =
browser_cmd->GetSwitchValuePath(switches::kBrowserSubprocessPath);
if (!subprocess_path.empty())
command_line->SetProgram(subprocess_path);
}
}
#endif // defined(OS_LINUX)
CefRefPtr<CefApp> app = CefContentClient::Get()->application();
if (app.get()) {
CefRefPtr<CefBrowserProcessHandler> handler =
app->GetBrowserProcessHandler();
if (handler.get()) {
CefRefPtr<CefCommandLineImpl> commandLinePtr(
new CefCommandLineImpl(command_line, false, false));
handler->OnBeforeChildProcessLaunch(commandLinePtr.get());
commandLinePtr->Detach(NULL);
}
}
}
void CefContentBrowserClient::AdjustUtilityServiceProcessCommandLine(
const service_manager::Identity& identity,
base::CommandLine* command_line) {
#if defined(OS_MACOSX)
// On Mac, the video-capture and audio services require a CFRunLoop, provided
// by a UI message loop, to run AVFoundation and CoreAudio code.
// See https://crbug.com/834581
if (identity.name() == video_capture::mojom::kServiceName ||
identity.name() == audio::mojom::kServiceName)
command_line->AppendSwitch(switches::kMessageLoopTypeUi);
#endif
}
bool CefContentBrowserClient::ShouldEnableStrictSiteIsolation() {
// TODO(cef): Enable this mode once we figure out why it breaks ceftests that
// rely on command-line arguments passed to the renderer process. It looks
// like the first renderer process is getting all of the callbacks despite
// multiple renderer processes being launched.
// For example, V8RendererTest::OnBrowserCreated appears to get the same
// kV8TestCmdArg value twice when running with:
// --gtest_filter=V8Test.ContextEvalCspBypassUnsafeEval:V8Test.ContextEntered
return false;
}
std::string CefContentBrowserClient::GetApplicationLocale() {
return g_browser_process->GetApplicationLocale();
}
content::QuotaPermissionContext*
CefContentBrowserClient::CreateQuotaPermissionContext() {
return new CefQuotaPermissionContext();
}
void CefContentBrowserClient::GetQuotaSettings(
content::BrowserContext* context,
content::StoragePartition* partition,
storage::OptionalQuotaSettingsCallback callback) {
const base::FilePath& cache_path = partition->GetPath();
storage::GetNominalDynamicSettings(
cache_path, cache_path.empty() /* is_incognito */, std::move(callback));
}
content::MediaObserver* CefContentBrowserClient::GetMediaObserver() {
return CefMediaCaptureDevicesDispatcher::GetInstance();
}
content::SpeechRecognitionManagerDelegate*
CefContentBrowserClient::CreateSpeechRecognitionManagerDelegate() {
const base::CommandLine* command_line =
base::CommandLine::ForCurrentProcess();
if (command_line->HasSwitch(switches::kEnableSpeechInput))
return new CefSpeechRecognitionManagerDelegate();
return NULL;
}
content::GeneratedCodeCacheSettings
CefContentBrowserClient::GetGeneratedCodeCacheSettings(
content::BrowserContext* 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.
const base::FilePath& cache_path = context->GetPath();
return content::GeneratedCodeCacheSettings(!cache_path.empty() /* enabled */,
0 /* size */, cache_path);
}
void CefContentBrowserClient::AllowCertificateError(
content::WebContents* web_contents,
int cert_error,
const net::SSLInfo& ssl_info,
const GURL& request_url,
content::ResourceType resource_type,
bool strict_enforcement,
bool expired_previous_decision,
const base::Callback<void(content::CertificateRequestResultType)>&
callback) {
CEF_REQUIRE_UIT();
if (resource_type != content::ResourceType::RESOURCE_TYPE_MAIN_FRAME) {
// A sub-resource has a certificate error. The user doesn't really
// have a context for making the right decision, so block the request
// hard.
callback.Run(content::CERTIFICATE_REQUEST_RESULT_TYPE_CANCEL);
return;
}
CefRefPtr<CefBrowserHostImpl> browser =
CefBrowserHostImpl::GetBrowserForContents(web_contents);
if (!browser.get())
return;
CefRefPtr<CefClient> client = browser->GetClient();
if (!client.get())
return;
CefRefPtr<CefRequestHandler> handler = client->GetRequestHandler();
if (!handler.get())
return;
CefRefPtr<CefSSLInfo> cef_ssl_info = new CefSSLInfoImpl(ssl_info);
CefRefPtr<CefAllowCertificateErrorCallbackImpl> callbackImpl(
new CefAllowCertificateErrorCallbackImpl(callback));
bool proceed = handler->OnCertificateError(
browser.get(), static_cast<cef_errorcode_t>(cert_error),
request_url.spec(), cef_ssl_info, callbackImpl.get());
if (!proceed) {
callbackImpl->Disconnect();
callback.Run(content::CERTIFICATE_REQUEST_RESULT_TYPE_CANCEL);
}
}
void CefContentBrowserClient::SelectClientCertificate(
content::WebContents* web_contents,
net::SSLCertRequestInfo* cert_request_info,
net::ClientCertIdentityList client_certs,
std::unique_ptr<content::ClientCertificateDelegate> delegate) {
CEF_REQUIRE_UIT();
CefRefPtr<CefRequestHandler> handler;
CefRefPtr<CefBrowserHostImpl> browser =
CefBrowserHostImpl::GetBrowserForContents(web_contents);
if (browser.get()) {
CefRefPtr<CefClient> client = browser->GetClient();
if (client.get())
handler = client->GetRequestHandler();
}
if (!handler.get()) {
delegate->ContinueWithCertificate(nullptr, nullptr);
return;
}
CefRequestHandler::X509CertificateList certs;
for (net::ClientCertIdentityList::iterator iter = client_certs.begin();
iter != client_certs.end(); iter++) {
certs.push_back(new CefX509CertificateImpl(std::move(*iter)));
}
CefRefPtr<CefSelectClientCertificateCallbackImpl> callbackImpl(
new CefSelectClientCertificateCallbackImpl(std::move(delegate)));
bool proceed = handler->OnSelectClientCertificate(
browser.get(), cert_request_info->is_proxy,
cert_request_info->host_and_port.host(),
cert_request_info->host_and_port.port(), certs, callbackImpl.get());
if (!proceed && !certs.empty()) {
callbackImpl->Select(certs[0]);
}
}
bool CefContentBrowserClient::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) {
CEF_REQUIRE_UIT();
*no_javascript_access = false;
return CefBrowserInfoManager::GetInstance()->CanCreateWindow(
opener, target_url, referrer, frame_name, disposition, features,
user_gesture, opener_suppressed, no_javascript_access);
}
void CefContentBrowserClient::ResourceDispatcherHostCreated() {
resource_dispatcher_host_delegate_.reset(
new CefResourceDispatcherHostDelegate());
content::ResourceDispatcherHost::Get()->SetDelegate(
resource_dispatcher_host_delegate_.get());
}
void CefContentBrowserClient::OverrideWebkitPrefs(
content::RenderViewHost* rvh,
content::WebPreferences* prefs) {
// Using RVH instead of RFH here because rvh->GetMainFrame() may be nullptr
// when this method is called.
renderer_prefs::PopulateWebPreferences(rvh, *prefs);
if (rvh->GetWidget()->GetView()) {
rvh->GetWidget()->GetView()->SetBackgroundColor(
prefs->base_background_color);
}
}
void CefContentBrowserClient::BrowserURLHandlerCreated(
content::BrowserURLHandler* handler) {
scheme::BrowserURLHandlerCreated(handler);
}
std::string CefContentBrowserClient::GetDefaultDownloadName() {
return "download";
}
void CefContentBrowserClient::DidCreatePpapiPlugin(
content::BrowserPpapiHost* browser_host) {
browser_host->GetPpapiHost()->AddHostFactoryFilter(
std::unique_ptr<ppapi::host::HostFactory>(
new ChromeBrowserPepperHostFactory(browser_host)));
}
content::DevToolsManagerDelegate*
CefContentBrowserClient::GetDevToolsManagerDelegate() {
return new CefDevToolsManagerDelegate();
}
std::vector<std::unique_ptr<content::NavigationThrottle>>
CefContentBrowserClient::CreateThrottlesForNavigation(
content::NavigationHandle* navigation_handle) {
CEF_REQUIRE_UIT();
std::vector<std::unique_ptr<content::NavigationThrottle>> throttles;
const bool is_main_frame = navigation_handle->IsInMainFrame();
int64 parent_frame_id = CefFrameHostImpl::kUnspecifiedFrameId;
if (!is_main_frame) {
// Identify the RenderFrameHost that originated the navigation.
content::RenderFrameHost* parent_frame_host =
navigation_handle->GetParentFrame();
DCHECK(parent_frame_host);
if (parent_frame_host)
parent_frame_id = parent_frame_host->GetRoutingID();
if (parent_frame_id < 0)
parent_frame_id = CefFrameHostImpl::kUnspecifiedFrameId;
}
int64 frame_id = CefFrameHostImpl::kInvalidFrameId;
if (!is_main_frame && navigation_handle->HasCommitted()) {
frame_id = navigation_handle->GetRenderFrameHost()->GetRoutingID();
if (frame_id < 0)
frame_id = CefFrameHostImpl::kInvalidFrameId;
}
std::unique_ptr<content::NavigationThrottle> throttle =
std::make_unique<navigation_interception::InterceptNavigationThrottle>(
navigation_handle, base::Bind(&NavigationOnUIThread, is_main_frame,
frame_id, parent_frame_id));
throttles.push_back(std::move(throttle));
return throttles;
}
#if defined(OS_LINUX)
void CefContentBrowserClient::GetAdditionalMappedFilesForChildProcess(
const base::CommandLine& command_line,
int child_process_id,
content::PosixFileDescriptorInfo* mappings) {
int crash_signal_fd = GetCrashSignalFD(command_line);
if (crash_signal_fd >= 0) {
mappings->Share(service_manager::kCrashDumpSignal, crash_signal_fd);
}
}
#endif // defined(OS_LINUX)
#if defined(OS_WIN)
const wchar_t* CefContentBrowserClient::GetResourceDllName() {
static wchar_t file_path[MAX_PATH + 1] = {0};
if (file_path[0] == 0) {
// Retrieve the module path (usually libcef.dll).
base::FilePath module;
base::PathService::Get(base::FILE_MODULE, &module);
const std::wstring wstr = module.value();
size_t count = std::min(static_cast<size_t>(MAX_PATH), wstr.size());
wcsncpy(file_path, wstr.c_str(), count);
file_path[count] = 0;
}
return file_path;
}
bool CefContentBrowserClient::PreSpawnRenderer(sandbox::TargetPolicy* policy) {
return true;
}
#endif // defined(OS_WIN)
void CefContentBrowserClient::ExposeInterfacesToRenderer(
service_manager::BinderRegistry* registry,
blink::AssociatedInterfaceRegistry* associated_registry,
content::RenderProcessHost* host) {
Profile* profile = Profile::FromBrowserContext(host->GetBrowserContext());
host->GetChannel()->AddAssociatedInterfaceForIOThread(base::Bind(
&PluginInfoHostImpl::OnPluginInfoHostRequest,
base::MakeRefCounted<PluginInfoHostImpl>(host->GetID(), profile)));
}
std::unique_ptr<net::ClientCertStore>
CefContentBrowserClient::CreateClientCertStore(
content::ResourceContext* resource_context) {
if (!resource_context)
return nullptr;
return static_cast<CefResourceContext*>(resource_context)
->CreateClientCertStore();
}
void CefContentBrowserClient::RegisterNonNetworkNavigationURLLoaderFactories(
int frame_tree_node_id,
NonNetworkURLLoaderFactoryMap* factories) {
if (!extensions::ExtensionsEnabled())
return;
content::WebContents* web_contents =
content::WebContents::FromFrameTreeNodeId(frame_tree_node_id);
factories->emplace(
extensions::kExtensionScheme,
extensions::CreateExtensionNavigationURLLoaderFactory(
web_contents->GetBrowserContext(),
!!extensions::WebViewGuest::FromWebContents(web_contents)));
}
void CefContentBrowserClient::RegisterNonNetworkSubresourceURLLoaderFactories(
int render_process_id,
int render_frame_id,
NonNetworkURLLoaderFactoryMap* factories) {
if (!extensions::ExtensionsEnabled())
return;
auto factory = extensions::CreateExtensionURLLoaderFactory(render_process_id,
render_frame_id);
if (factory)
factories->emplace(extensions::kExtensionScheme, std::move(factory));
}
bool CefContentBrowserClient::WillCreateURLLoaderFactory(
content::BrowserContext* browser_context,
content::RenderFrameHost* frame,
int render_process_id,
bool is_navigation,
const url::Origin& request_initiator,
network::mojom::URLLoaderFactoryRequest* factory_request,
network::mojom::TrustedURLLoaderHeaderClientPtrInfo* header_client,
bool* bypass_redirect_checks) {
if (!extensions::ExtensionsEnabled())
return false;
auto* web_request_api =
extensions::BrowserContextKeyedAPIFactory<extensions::WebRequestAPI>::Get(
browser_context);
bool use_proxy = web_request_api->MaybeProxyURLLoaderFactory(
browser_context, frame, render_process_id, is_navigation, factory_request,
header_client);
if (bypass_redirect_checks)
*bypass_redirect_checks = use_proxy;
return use_proxy;
}
bool CefContentBrowserClient::HandleExternalProtocol(
const GURL& url,
content::ResourceRequestInfo::WebContentsGetter web_contents_getter,
int child_id,
content::NavigationUIData* navigation_data,
bool is_main_frame,
ui::PageTransition page_transition,
bool has_user_gesture,
const std::string& method,
const net::HttpRequestHeaders& headers) {
CEF_POST_TASK(
CEF_UIT,
base::Bind(
base::IgnoreResult(
&CefContentBrowserClient::HandleExternalProtocolOnUIThread),
url, web_contents_getter));
return false;
}
std::string CefContentBrowserClient::GetProduct() const {
const base::CommandLine* command_line =
base::CommandLine::ForCurrentProcess();
if (command_line->HasSwitch(switches::kProductVersion))
return command_line->GetSwitchValueASCII(switches::kProductVersion);
return GetChromeProduct();
}
std::string CefContentBrowserClient::GetChromeProduct() const {
return base::StringPrintf("Chrome/%d.%d.%d.%d", CHROME_VERSION_MAJOR,
CHROME_VERSION_MINOR, CHROME_VERSION_BUILD,
CHROME_VERSION_PATCH);
}
std::string CefContentBrowserClient::GetUserAgent() const {
const base::CommandLine* command_line =
base::CommandLine::ForCurrentProcess();
if (command_line->HasSwitch(switches::kUserAgent))
return command_line->GetSwitchValueASCII(switches::kUserAgent);
return content::BuildUserAgentFromProduct(GetProduct());
}
void CefContentBrowserClient::RegisterCustomScheme(const std::string& scheme) {
// Register as a Web-safe scheme so that requests for the scheme from a
// render process will be allowed in resource_dispatcher_host_impl.cc
// ShouldServiceRequest.
content::ChildProcessSecurityPolicy* policy =
content::ChildProcessSecurityPolicy::GetInstance();
if (!policy->IsWebSafeScheme(scheme))
policy->RegisterWebSafeScheme(scheme);
}
CefRefPtr<CefRequestContextImpl> CefContentBrowserClient::request_context()
const {
return browser_main_parts_->request_context();
}
CefDevToolsDelegate* CefContentBrowserClient::devtools_delegate() const {
return browser_main_parts_->devtools_delegate();
}
scoped_refptr<base::SingleThreadTaskRunner>
CefContentBrowserClient::background_task_runner() const {
return browser_main_parts_->background_task_runner();
}
scoped_refptr<base::SingleThreadTaskRunner>
CefContentBrowserClient::user_visible_task_runner() const {
return browser_main_parts_->user_visible_task_runner();
}
scoped_refptr<base::SingleThreadTaskRunner>
CefContentBrowserClient::user_blocking_task_runner() const {
return browser_main_parts_->user_blocking_task_runner();
}
const extensions::Extension* CefContentBrowserClient::GetExtension(
content::SiteInstance* site_instance) {
extensions::ExtensionRegistry* registry =
extensions::ExtensionRegistry::Get(site_instance->GetBrowserContext());
if (!registry)
return nullptr;
return registry->enabled_extensions().GetExtensionOrAppByURL(
site_instance->GetSiteURL());
}
// static
void CefContentBrowserClient::HandleExternalProtocolOnUIThread(
const GURL& url,
const content::ResourceRequestInfo::WebContentsGetter&
web_contents_getter) {
CEF_REQUIRE_UIT();
content::WebContents* web_contents = web_contents_getter.Run();
if (web_contents) {
CefRefPtr<CefBrowserHostImpl> browser =
CefBrowserHostImpl::GetBrowserForContents(web_contents);
if (browser.get())
browser->HandleExternalProtocol(url);
}
}
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