cef/libcef/browser/chrome/chrome_content_browser_clie...

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21 KiB
C++

// Copyright 2020 The Chromium Embedded Framework Authors.
// Portions copyright 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/chrome/chrome_content_browser_client_cef.h"
#include <tuple>
#include "libcef/browser/browser_frame.h"
#include "libcef/browser/browser_info_manager.h"
#include "libcef/browser/browser_manager.h"
#include "libcef/browser/certificate_query.h"
#include "libcef/browser/chrome/chrome_browser_host_impl.h"
#include "libcef/browser/chrome/chrome_browser_main_extra_parts_cef.h"
#include "libcef/browser/context.h"
#include "libcef/browser/net/chrome_scheme_handler.h"
#include "libcef/browser/net/throttle_handler.h"
#include "libcef/browser/net_service/cookie_manager_impl.h"
#include "libcef/browser/net_service/login_delegate.h"
#include "libcef/browser/net_service/proxy_url_loader_factory.h"
#include "libcef/browser/net_service/resource_request_handler_wrapper.h"
#include "libcef/browser/prefs/browser_prefs.h"
#include "libcef/browser/prefs/renderer_prefs.h"
#include "libcef/common/app_manager.h"
#include "libcef/common/cef_switches.h"
#include "libcef/common/command_line_impl.h"
#include "base/command_line.h"
#include "base/path_service.h"
#include "chrome/browser/chrome_browser_main.h"
#include "chrome/browser/net/system_network_context_manager.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/common/chrome_paths.h"
#include "chrome/common/chrome_switches.h"
#include "content/public/browser/navigation_throttle.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/weak_document_ptr.h"
#include "content/public/common/content_switches.h"
#include "third_party/blink/public/common/web_preferences/web_preferences.h"
#include "third_party/blink/public/mojom/loader/resource_load_info.mojom-shared.h"
namespace {
void HandleExternalProtocolHelper(
ChromeContentBrowserClientCef* self,
content::WebContents::Getter web_contents_getter,
int frame_tree_node_id,
content::NavigationUIData* navigation_data,
bool is_primary_main_frame,
bool is_in_fenced_frame_tree,
network::mojom::WebSandboxFlags sandbox_flags,
const network::ResourceRequest& resource_request,
const absl::optional<url::Origin>& initiating_origin,
content::WeakDocumentPtr initiator_document) {
// May return nullptr if frame has been deleted or a cross-document navigation
// has committed in the same RenderFrameHost.
auto initiator_rfh = initiator_document.AsRenderFrameHostIfValid();
if (!initiator_rfh) {
return;
}
// Match the logic of the original call in
// NavigationURLLoaderImpl::PrepareForNonInterceptedRequest.
self->HandleExternalProtocol(
resource_request.url, web_contents_getter, frame_tree_node_id,
navigation_data, is_primary_main_frame, is_in_fenced_frame_tree,
sandbox_flags,
static_cast<ui::PageTransition>(resource_request.transition_type),
resource_request.has_user_gesture, initiating_origin, initiator_rfh,
nullptr);
}
} // namespace
ChromeContentBrowserClientCef::ChromeContentBrowserClientCef() = default;
ChromeContentBrowserClientCef::~ChromeContentBrowserClientCef() = default;
std::unique_ptr<content::BrowserMainParts>
ChromeContentBrowserClientCef::CreateBrowserMainParts(
bool is_integration_test) {
auto main_parts =
ChromeContentBrowserClient::CreateBrowserMainParts(is_integration_test);
auto browser_main_parts = std::make_unique<ChromeBrowserMainExtraPartsCef>();
browser_main_parts_ = browser_main_parts.get();
static_cast<ChromeBrowserMainParts*>(main_parts.get())
->AddParts(std::move(browser_main_parts));
return main_parts;
}
void ChromeContentBrowserClientCef::AppendExtraCommandLineSwitches(
base::CommandLine* command_line,
int child_process_id) {
ChromeContentBrowserClient::AppendExtraCommandLineSwitches(command_line,
child_process_id);
// Necessary to launch sub-processes in the correct mode.
command_line->AppendSwitch(switches::kEnableChromeRuntime);
// Necessary to populate DIR_USER_DATA in sub-processes.
// See resource_util.cc GetUserDataPath.
base::FilePath user_data_dir;
if (base::PathService::Get(chrome::DIR_USER_DATA, &user_data_dir)) {
command_line->AppendSwitchPath(switches::kUserDataDir, user_data_dir);
}
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::kUserAgentProductAndVersion,
};
command_line->CopySwitchesFrom(*browser_cmd, kSwitchNames,
std::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::kUncaughtExceptionStackSize,
};
command_line->CopySwitchesFrom(*browser_cmd, kSwitchNames,
std::size(kSwitchNames));
}
CefRefPtr<CefApp> app = CefAppManager::Get()->GetApplication();
if (app.get()) {
CefRefPtr<CefBrowserProcessHandler> handler =
app->GetBrowserProcessHandler();
if (handler.get()) {
CefRefPtr<CefCommandLineImpl> commandLinePtr(
new CefCommandLineImpl(command_line, false, false));
handler->OnBeforeChildProcessLaunch(commandLinePtr.get());
std::ignore = commandLinePtr->Detach(nullptr);
}
}
}
void ChromeContentBrowserClientCef::RenderProcessWillLaunch(
content::RenderProcessHost* host) {
ChromeContentBrowserClient::RenderProcessWillLaunch(host);
// 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());
}
void ChromeContentBrowserClientCef::AllowCertificateError(
content::WebContents* web_contents,
int cert_error,
const net::SSLInfo& ssl_info,
const GURL& request_url,
bool is_main_frame_request,
bool strict_enforcement,
base::OnceCallback<void(content::CertificateRequestResultType)> callback) {
auto returned_callback = certificate_query::AllowCertificateError(
web_contents, cert_error, ssl_info, request_url, is_main_frame_request,
strict_enforcement, std::move(callback), /*default_disallow=*/false);
if (returned_callback.is_null()) {
// The error was handled.
return;
}
// Proceed with default handling.
ChromeContentBrowserClient::AllowCertificateError(
web_contents, cert_error, ssl_info, request_url, is_main_frame_request,
strict_enforcement, std::move(returned_callback));
}
bool ChromeContentBrowserClientCef::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) {
// The chrome layer has popup blocker, extensions, etc.
if (!ChromeContentBrowserClient::CanCreateWindow(
opener, opener_url, opener_top_level_frame_url, source_origin,
container_type, target_url, referrer, frame_name, disposition,
features, user_gesture, opener_suppressed, no_javascript_access)) {
return false;
}
return CefBrowserInfoManager::GetInstance()->CanCreateWindow(
opener, target_url, referrer, frame_name, disposition, features,
user_gesture, opener_suppressed, no_javascript_access);
}
void ChromeContentBrowserClientCef::OverrideWebkitPrefs(
content::WebContents* web_contents,
blink::web_pref::WebPreferences* prefs) {
renderer_prefs::SetDefaultPrefs(*prefs);
ChromeContentBrowserClient::OverrideWebkitPrefs(web_contents, prefs);
SkColor base_background_color;
auto browser = ChromeBrowserHostImpl::GetBrowserForContents(web_contents);
if (browser) {
renderer_prefs::SetCefPrefs(browser->settings(), *prefs);
// Set the background color for the WebView.
base_background_color = browser->GetBackgroundColor();
} else {
// We don't know for sure that the browser will be windowless but assume
// that the global windowless state is likely to be accurate.
base_background_color =
CefContext::Get()->GetBackgroundColor(nullptr, STATE_DEFAULT);
}
web_contents->SetPageBaseBackgroundColor(base_background_color);
}
bool ChromeContentBrowserClientCef::WillCreateURLLoaderFactory(
content::BrowserContext* browser_context,
content::RenderFrameHost* frame,
int render_process_id,
URLLoaderFactoryType type,
const url::Origin& request_initiator,
absl::optional<int64_t> navigation_id,
ukm::SourceIdObj ukm_source_id,
mojo::PendingReceiver<network::mojom::URLLoaderFactory>* factory_receiver,
mojo::PendingRemote<network::mojom::TrustedURLLoaderHeaderClient>*
header_client,
bool* bypass_redirect_checks,
bool* disable_secure_dns,
network::mojom::URLLoaderFactoryOverridePtr* factory_override) {
// Don't intercept requests for Profiles that were not created by CEF.
// For example, the User Manager profile created via
// profiles::CreateSystemProfileForUserManager.
auto profile = Profile::FromBrowserContext(browser_context);
if (!CefBrowserContext::FromProfile(profile)) {
return ChromeContentBrowserClient::WillCreateURLLoaderFactory(
browser_context, frame, render_process_id, type, request_initiator,
navigation_id, ukm_source_id, factory_receiver, header_client,
bypass_redirect_checks, disable_secure_dns, factory_override);
}
// Based on content/browser/devtools/devtools_instrumentation.cc
// WillCreateURLLoaderFactoryInternal.
network::mojom::URLLoaderFactoryOverridePtr cef_override(
network::mojom::URLLoaderFactoryOverride::New());
// If caller passed some existing overrides, use those.
// Otherwise, use our local var, then if handlers actually
// decide to intercept, move it to |factory_override|.
network::mojom::URLLoaderFactoryOverridePtr* handler_override =
factory_override && *factory_override ? factory_override : &cef_override;
network::mojom::URLLoaderFactoryOverride* intercepting_factory =
handler_override->get();
// If we're the first interceptor to install an override, make a
// remote/receiver pair, then handle this similarly to appending
// a proxy to existing override.
if (!intercepting_factory->overriding_factory) {
DCHECK(!intercepting_factory->overridden_factory_receiver);
intercepting_factory->overridden_factory_receiver =
intercepting_factory->overriding_factory
.InitWithNewPipeAndPassReceiver();
}
// TODO(chrome): Is it necessary to proxy |header_client| callbacks?
bool use_proxy = ChromeContentBrowserClient::WillCreateURLLoaderFactory(
browser_context, frame, render_process_id, type, request_initiator,
navigation_id, ukm_source_id,
&(intercepting_factory->overridden_factory_receiver),
/*header_client=*/nullptr, bypass_redirect_checks, disable_secure_dns,
handler_override);
if (use_proxy) {
DCHECK(intercepting_factory->overriding_factory);
DCHECK(intercepting_factory->overridden_factory_receiver);
if (!factory_override) {
// Not a subresource navigation, so just override the target receiver.
mojo::FusePipes(std::move(*factory_receiver),
std::move(cef_override->overriding_factory));
*factory_receiver = std::move(cef_override->overridden_factory_receiver);
} else if (!*factory_override) {
// No other overrides, so just returns ours as is.
*factory_override = network::mojom::URLLoaderFactoryOverride::New(
std::move(cef_override->overriding_factory),
std::move(cef_override->overridden_factory_receiver), false);
}
// ... else things are already taken care of, as handler_override was
// pointing to factory override and we've done all magic in-place.
DCHECK(!cef_override->overriding_factory);
DCHECK(!cef_override->overridden_factory_receiver);
}
auto request_handler = net_service::CreateInterceptedRequestHandler(
browser_context, frame, render_process_id,
type == URLLoaderFactoryType::kNavigation,
type == URLLoaderFactoryType::kDownload, request_initiator);
net_service::ProxyURLLoaderFactory::CreateProxy(
browser_context, factory_receiver, header_client,
std::move(request_handler));
return true;
}
bool ChromeContentBrowserClientCef::HandleExternalProtocol(
const GURL& url,
content::WebContents::Getter web_contents_getter,
int frame_tree_node_id,
content::NavigationUIData* navigation_data,
bool is_primary_main_frame,
bool is_in_fenced_frame_tree,
network::mojom::WebSandboxFlags sandbox_flags,
ui::PageTransition page_transition,
bool has_user_gesture,
const absl::optional<url::Origin>& initiating_origin,
content::RenderFrameHost* initiator_document,
mojo::PendingRemote<network::mojom::URLLoaderFactory>* out_factory) {
// |out_factory| will be non-nullptr when this method is initially called
// from NavigationURLLoaderImpl::PrepareForNonInterceptedRequest.
if (out_factory) {
// Let the other HandleExternalProtocol variant handle the request.
return false;
}
// The request was unhandled and we've recieved a callback from
// HandleExternalProtocolHelper. Forward to the chrome layer for default
// handling.
return ChromeContentBrowserClient::HandleExternalProtocol(
url, web_contents_getter, frame_tree_node_id, navigation_data,
is_primary_main_frame, is_in_fenced_frame_tree, sandbox_flags,
page_transition, has_user_gesture, initiating_origin, initiator_document,
nullptr);
}
bool ChromeContentBrowserClientCef::HandleExternalProtocol(
content::WebContents::Getter web_contents_getter,
int frame_tree_node_id,
content::NavigationUIData* navigation_data,
bool is_primary_main_frame,
bool is_in_fenced_frame_tree,
network::mojom::WebSandboxFlags sandbox_flags,
const network::ResourceRequest& resource_request,
const absl::optional<url::Origin>& initiating_origin,
content::RenderFrameHost* initiator_document,
mojo::PendingRemote<network::mojom::URLLoaderFactory>* out_factory) {
mojo::PendingReceiver<network::mojom::URLLoaderFactory> receiver =
out_factory->InitWithNewPipeAndPassReceiver();
auto weak_initiator_document = initiator_document
? initiator_document->GetWeakDocumentPtr()
: content::WeakDocumentPtr();
// HandleExternalProtocolHelper may be called if nothing handles the request.
auto request_handler = net_service::CreateInterceptedRequestHandler(
web_contents_getter, frame_tree_node_id, resource_request,
base::BindRepeating(HandleExternalProtocolHelper, base::Unretained(this),
web_contents_getter, frame_tree_node_id,
navigation_data, is_primary_main_frame,
is_in_fenced_frame_tree, sandbox_flags,
resource_request, initiating_origin,
std::move(weak_initiator_document)));
net_service::ProxyURLLoaderFactory::CreateProxy(
web_contents_getter, std::move(receiver), std::move(request_handler));
return true;
}
std::vector<std::unique_ptr<content::NavigationThrottle>>
ChromeContentBrowserClientCef::CreateThrottlesForNavigation(
content::NavigationHandle* navigation_handle) {
auto throttles = ChromeContentBrowserClient::CreateThrottlesForNavigation(
navigation_handle);
throttle::CreateThrottlesForNavigation(navigation_handle, throttles);
return throttles;
}
bool ChromeContentBrowserClientCef::ConfigureNetworkContextParams(
content::BrowserContext* context,
bool in_memory,
const base::FilePath& relative_partition_path,
network::mojom::NetworkContextParams* network_context_params,
cert_verifier::mojom::CertVerifierCreationParams*
cert_verifier_creation_params) {
// This method may be called during shutdown when using multi-threaded
// message loop mode. In that case exit early to avoid crashes.
if (!SystemNetworkContextManager::GetInstance()) {
// Cancel NetworkContext creation in
// StoragePartitionImpl::InitNetworkContext.
return false;
}
ChromeContentBrowserClient::ConfigureNetworkContextParams(
context, in_memory, relative_partition_path, network_context_params,
cert_verifier_creation_params);
auto cef_context = CefBrowserContext::FromBrowserContext(context);
network_context_params->cookieable_schemes =
cef_context ? cef_context->GetCookieableSchemes()
: CefBrowserContext::GetGlobalCookieableSchemes();
// Prefer the CEF settings configuration, if specified, instead of the
// kAcceptLanguages preference which is controlled by the
// chrome://settings/languages configuration.
const std::string& accept_language_list =
browser_prefs::GetAcceptLanguageList(cef_context, /*browser=*/nullptr,
/*expand=*/true);
if (!accept_language_list.empty() &&
accept_language_list != network_context_params->accept_language) {
network_context_params->accept_language = accept_language_list;
}
return true;
}
std::unique_ptr<content::LoginDelegate>
ChromeContentBrowserClientCef::CreateLoginDelegate(
const net::AuthChallengeInfo& auth_info,
content::WebContents* web_contents,
const content::GlobalRequestID& request_id,
bool is_request_for_main_frame,
const GURL& url,
scoped_refptr<net::HttpResponseHeaders> response_headers,
bool first_auth_attempt,
LoginAuthRequiredCallback auth_required_callback) {
// |web_contents| is nullptr for CefURLRequests without an associated frame.
if (!web_contents || base::CommandLine::ForCurrentProcess()->HasSwitch(
switches::kDisableChromeLoginPrompt)) {
// Delegate auth callbacks to GetAuthCredentials.
return std::make_unique<net_service::LoginDelegate>(
auth_info, web_contents, request_id, url,
std::move(auth_required_callback));
}
return ChromeContentBrowserClient::CreateLoginDelegate(
auth_info, web_contents, request_id, is_request_for_main_frame, url,
response_headers, first_auth_attempt, std::move(auth_required_callback));
}
void ChromeContentBrowserClientCef::BrowserURLHandlerCreated(
content::BrowserURLHandler* handler) {
// Register the Chrome handlers first for proper URL rewriting.
ChromeContentBrowserClient::BrowserURLHandlerCreated(handler);
scheme::BrowserURLHandlerCreated(handler);
}
bool ChromeContentBrowserClientCef::IsWebUIAllowedToMakeNetworkRequests(
const url::Origin& origin) {
return scheme::IsWebUIAllowedToMakeNetworkRequests(origin);
}
void ChromeContentBrowserClientCef::ExposeInterfacesToRenderer(
service_manager::BinderRegistry* registry,
blink::AssociatedInterfaceRegistry* associated_registry,
content::RenderProcessHost* host) {
ChromeContentBrowserClient::ExposeInterfacesToRenderer(
registry, associated_registry, host);
CefBrowserManager::ExposeInterfacesToRenderer(registry, associated_registry,
host);
}
void ChromeContentBrowserClientCef::RegisterBrowserInterfaceBindersForFrame(
content::RenderFrameHost* render_frame_host,
mojo::BinderMapWithContext<content::RenderFrameHost*>* map) {
ChromeContentBrowserClient::RegisterBrowserInterfaceBindersForFrame(
render_frame_host, map);
CefBrowserFrame::RegisterBrowserInterfaceBindersForFrame(render_frame_host,
map);
}
CefRefPtr<CefRequestContextImpl>
ChromeContentBrowserClientCef::request_context() const {
return browser_main_parts_->request_context();
}
scoped_refptr<base::SingleThreadTaskRunner>
ChromeContentBrowserClientCef::background_task_runner() const {
return browser_main_parts_->background_task_runner();
}
scoped_refptr<base::SingleThreadTaskRunner>
ChromeContentBrowserClientCef::user_visible_task_runner() const {
return browser_main_parts_->user_visible_task_runner();
}
scoped_refptr<base::SingleThreadTaskRunner>
ChromeContentBrowserClientCef::user_blocking_task_runner() const {
return browser_main_parts_->user_blocking_task_runner();
}