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electron_browser_client.cc
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electron_browser_client.cc
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// Copyright (c) 2013 GitHub, Inc.
// Use of this source code is governed by the MIT license that can be
// found in the LICENSE file.
#include "shell/browser/electron_browser_client.h"
#if BUILDFLAG(IS_WIN)
#include <shlobj.h>
#endif
#include <memory>
#include <utility>
#include "base/base_switches.h"
#include "base/command_line.h"
#include "base/debug/crash_logging.h"
#include "base/environment.h"
#include "base/files/file_util.h"
#include "base/json/json_reader.h"
#include "base/no_destructor.h"
#include "base/path_service.h"
#include "base/stl_util.h"
#include "base/strings/escape.h"
#include "base/strings/strcat.h"
#include "base/strings/string_number_conversions.h"
#include "base/strings/string_util.h"
#include "base/strings/utf_string_conversions.h"
#include "chrome/browser/browser_process.h"
#include "chrome/common/chrome_paths.h"
#include "chrome/common/chrome_switches.h"
#include "chrome/common/chrome_version.h"
#include "components/embedder_support/user_agent_utils.h"
#include "components/net_log/chrome_net_log.h"
#include "components/network_hints/common/network_hints.mojom.h"
#include "content/browser/keyboard_lock/keyboard_lock_service_impl.h" // nogncheck
#include "content/browser/site_instance_impl.h" // nogncheck
#include "content/public/browser/browser_main_runner.h"
#include "content/public/browser/browser_ppapi_host.h"
#include "content/public/browser/browser_task_traits.h"
#include "content/public/browser/client_certificate_delegate.h"
#include "content/public/browser/login_delegate.h"
#include "content/public/browser/overlay_window.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/service_worker_version_base_info.h"
#include "content/public/browser/site_instance.h"
#include "content/public/browser/tts_controller.h"
#include "content/public/browser/tts_platform.h"
#include "content/public/browser/url_loader_request_interceptor.h"
#include "content/public/browser/weak_document_ptr.h"
#include "content/public/common/content_descriptors.h"
#include "content/public/common/content_paths.h"
#include "content/public/common/content_switches.h"
#include "content/public/common/url_constants.h"
#include "crypto/crypto_buildflags.h"
#include "electron/buildflags/buildflags.h"
#include "electron/fuses.h"
#include "electron/shell/common/api/api.mojom.h"
#include "extensions/browser/extension_navigation_ui_data.h"
#include "mojo/public/cpp/bindings/binder_map.h"
#include "net/ssl/ssl_cert_request_info.h"
#include "net/ssl/ssl_private_key.h"
#include "ppapi/buildflags/buildflags.h"
#include "ppapi/host/ppapi_host.h"
#include "printing/buildflags/buildflags.h"
#include "services/device/public/cpp/geolocation/geolocation_manager.h"
#include "services/device/public/cpp/geolocation/location_provider.h"
#include "services/network/public/cpp/features.h"
#include "services/network/public/cpp/is_potentially_trustworthy.h"
#include "services/network/public/cpp/network_switches.h"
#include "services/network/public/cpp/resource_request_body.h"
#include "services/network/public/cpp/self_deleting_url_loader_factory.h"
#include "shell/app/electron_crash_reporter_client.h"
#include "shell/browser/api/electron_api_app.h"
#include "shell/browser/api/electron_api_crash_reporter.h"
#include "shell/browser/api/electron_api_protocol.h"
#include "shell/browser/api/electron_api_session.h"
#include "shell/browser/api/electron_api_web_contents.h"
#include "shell/browser/api/electron_api_web_request.h"
#include "shell/browser/badging/badge_manager.h"
#include "shell/browser/child_web_contents_tracker.h"
#include "shell/browser/electron_api_ipc_handler_impl.h"
#include "shell/browser/electron_autofill_driver_factory.h"
#include "shell/browser/electron_browser_context.h"
#include "shell/browser/electron_browser_main_parts.h"
#include "shell/browser/electron_navigation_throttle.h"
#include "shell/browser/electron_speech_recognition_manager_delegate.h"
#include "shell/browser/electron_web_contents_utility_handler_impl.h"
#include "shell/browser/font_defaults.h"
#include "shell/browser/javascript_environment.h"
#include "shell/browser/media/media_capture_devices_dispatcher.h"
#include "shell/browser/native_window.h"
#include "shell/browser/net/network_context_service.h"
#include "shell/browser/net/network_context_service_factory.h"
#include "shell/browser/net/proxying_url_loader_factory.h"
#include "shell/browser/net/proxying_websocket.h"
#include "shell/browser/net/system_network_context_manager.h"
#include "shell/browser/network_hints_handler_impl.h"
#include "shell/browser/notifications/notification_presenter.h"
#include "shell/browser/notifications/platform_notification_service.h"
#include "shell/browser/protocol_registry.h"
#include "shell/browser/serial/electron_serial_delegate.h"
#include "shell/browser/session_preferences.h"
#include "shell/browser/ui/devtools_manager_delegate.h"
#include "shell/browser/web_contents_permission_helper.h"
#include "shell/browser/web_contents_preferences.h"
#include "shell/browser/webauthn/electron_authenticator_request_delegate.h"
#include "shell/browser/window_list.h"
#include "shell/common/api/api.mojom.h"
#include "shell/common/application_info.h"
#include "shell/common/electron_paths.h"
#include "shell/common/logging.h"
#include "shell/common/options_switches.h"
#include "shell/common/platform_util.h"
#include "shell/common/thread_restrictions.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/renderer_preferences/renderer_preferences.h"
#include "third_party/blink/public/common/tokens/tokens.h"
#include "third_party/blink/public/common/web_preferences/web_preferences.h"
#include "third_party/blink/public/mojom/badging/badging.mojom.h"
#include "ui/base/resource/resource_bundle.h"
#include "ui/native_theme/native_theme.h"
#include "v8/include/v8.h"
#if BUILDFLAG(USE_NSS_CERTS)
#include "net/ssl/client_cert_store_nss.h"
#elif BUILDFLAG(IS_WIN)
#include "net/ssl/client_cert_store_win.h"
#elif BUILDFLAG(IS_MAC)
#include "net/ssl/client_cert_store_mac.h"
#elif defined(USE_OPENSSL)
#include "net/ssl/client_cert_store.h"
#endif
#if BUILDFLAG(ENABLE_BUILTIN_SPELLCHECKER)
#include "chrome/browser/spellchecker/spell_check_host_chrome_impl.h" // nogncheck
#include "chrome/browser/spellchecker/spell_check_initialization_host_impl.h" // nogncheck
#include "components/spellcheck/common/spellcheck.mojom.h" // nogncheck
#endif
#if BUILDFLAG(OVERRIDE_LOCATION_PROVIDER)
#include "shell/browser/fake_location_provider.h"
#endif // BUILDFLAG(OVERRIDE_LOCATION_PROVIDER)
#if BUILDFLAG(ENABLE_ELECTRON_EXTENSIONS)
#include "base/functional/bind.h"
#include "chrome/common/webui_url_constants.h"
#include "components/guest_view/common/guest_view.mojom.h"
#include "content/public/browser/child_process_security_policy.h"
#include "content/public/browser/file_url_loader.h"
#include "content/public/browser/web_ui_url_loader_factory.h"
#include "extensions/browser/api/mime_handler_private/mime_handler_private.h"
#include "extensions/browser/api/web_request/web_request_api.h"
#include "extensions/browser/browser_context_keyed_api_factory.h"
#include "extensions/browser/event_router.h"
#include "extensions/browser/extension_host.h"
#include "extensions/browser/extension_navigation_throttle.h"
#include "extensions/browser/extension_prefs.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.h"
#include "extensions/browser/guest_view/mime_handler_view/mime_handler_view_guest.h"
#include "extensions/browser/process_manager.h"
#include "extensions/browser/process_map.h"
#include "extensions/browser/renderer_startup_helper.h"
#include "extensions/browser/service_worker/service_worker_host.h"
#include "extensions/browser/url_loader_factory_manager.h"
#include "extensions/common/api/mime_handler.mojom.h"
#include "extensions/common/constants.h"
#include "extensions/common/extension.h"
#include "extensions/common/mojom/event_router.mojom.h"
#include "extensions/common/mojom/guest_view.mojom.h"
#include "extensions/common/mojom/renderer_host.mojom.h"
#include "extensions/common/switches.h"
#include "shell/browser/extensions/electron_extension_system.h"
#include "shell/browser/extensions/electron_extension_web_contents_observer.h"
#endif
#if BUILDFLAG(ENABLE_PLUGINS)
#include "chrome/browser/plugins/plugin_response_interceptor_url_loader_throttle.h" // nogncheck
#include "shell/browser/plugins/plugin_utils.h"
#endif
#if BUILDFLAG(IS_MAC)
#include "content/browser/mac_helpers.h"
#include "content/public/browser/child_process_host.h"
#endif
#if BUILDFLAG(IS_LINUX)
#include "components/crash/core/app/crash_switches.h" // nogncheck
#include "components/crash/core/app/crashpad.h" // nogncheck
#endif
#if BUILDFLAG(IS_WIN)
#include "chrome/browser/ui/views/overlay/video_overlay_window_views.h"
#include "shell/browser/browser.h"
#include "ui/aura/window.h"
#include "ui/aura/window_tree_host.h"
#include "ui/base/win/shell.h"
#include "ui/views/widget/widget.h"
#endif
#if BUILDFLAG(ENABLE_PRINTING)
#include "shell/browser/printing/print_view_manager_electron.h"
#endif
#if BUILDFLAG(ENABLE_PDF_VIEWER)
#include "chrome/browser/pdf/chrome_pdf_stream_delegate.h"
#include "chrome/browser/plugins/pdf_iframe_navigation_throttle.h" // nogncheck
#include "components/pdf/browser/pdf_document_helper.h" // nogncheck
#include "components/pdf/browser/pdf_navigation_throttle.h"
#include "components/pdf/browser/pdf_url_loader_request_interceptor.h"
#include "components/pdf/common/internal_plugin_helpers.h"
#include "shell/browser/electron_pdf_document_helper_client.h"
#endif
using content::BrowserThread;
namespace electron {
namespace {
ElectronBrowserClient* g_browser_client = nullptr;
base::NoDestructor<std::string> g_io_thread_application_locale;
base::NoDestructor<std::string> g_application_locale;
void SetApplicationLocaleOnIOThread(const std::string& locale) {
DCHECK_CURRENTLY_ON(BrowserThread::IO);
*g_io_thread_application_locale = locale;
}
void BindNetworkHintsHandler(
content::RenderFrameHost* frame_host,
mojo::PendingReceiver<network_hints::mojom::NetworkHintsHandler> receiver) {
NetworkHintsHandlerImpl::Create(frame_host, std::move(receiver));
}
#if BUILDFLAG(ENABLE_ELECTRON_EXTENSIONS)
// Used by the GetPrivilegeRequiredByUrl() and GetProcessPrivilege() functions
// below. Extension, and isolated apps require different privileges to be
// granted to their RenderProcessHosts. This classification allows us to make
// sure URLs are served by hosts with the right set of privileges.
enum class RenderProcessHostPrivilege {
kNormal,
kHosted,
kIsolated,
kExtension,
};
// Copied from chrome/browser/extensions/extension_util.cc.
bool AllowFileAccess(const std::string& extension_id,
content::BrowserContext* context) {
return base::CommandLine::ForCurrentProcess()->HasSwitch(
extensions::switches::kDisableExtensionsFileAccessCheck) ||
extensions::ExtensionPrefs::Get(context)->AllowFileAccess(
extension_id);
}
RenderProcessHostPrivilege GetPrivilegeRequiredByUrl(
const GURL& url,
extensions::ExtensionRegistry* registry) {
// Default to a normal renderer cause it is lower privileged. This should only
// occur if the URL on a site instance is either malformed, or uninitialized.
// If it is malformed, then there is no need for better privileges anyways.
// If it is uninitialized, but eventually settles on being an a scheme other
// than normal webrenderer, the navigation logic will correct us out of band
// anyways.
if (!url.is_valid())
return RenderProcessHostPrivilege::kNormal;
if (!url.SchemeIs(extensions::kExtensionScheme))
return RenderProcessHostPrivilege::kNormal;
return RenderProcessHostPrivilege::kExtension;
}
RenderProcessHostPrivilege GetProcessPrivilege(
content::RenderProcessHost* process_host,
extensions::ProcessMap* process_map,
extensions::ExtensionRegistry* registry) {
std::set<std::string> extension_ids =
process_map->GetExtensionsInProcess(process_host->GetID());
if (extension_ids.empty())
return RenderProcessHostPrivilege::kNormal;
return RenderProcessHostPrivilege::kExtension;
}
const extensions::Extension* GetEnabledExtensionFromEffectiveURL(
content::BrowserContext* context,
const GURL& effective_url) {
if (!effective_url.SchemeIs(extensions::kExtensionScheme))
return nullptr;
extensions::ExtensionRegistry* registry =
extensions::ExtensionRegistry::Get(context);
if (!registry)
return nullptr;
return registry->enabled_extensions().GetByID(effective_url.host());
}
#endif // BUILDFLAG(ENABLE_ELECTRON_EXTENSIONS)
#if BUILDFLAG(IS_LINUX)
int GetCrashSignalFD(const base::CommandLine& command_line) {
int fd;
return crash_reporter::GetHandlerSocket(&fd, nullptr) ? fd : -1;
}
#endif // BUILDFLAG(IS_LINUX)
void MaybeAppendSecureOriginsAllowlistSwitch(base::CommandLine* cmdline) {
// |allowlist| combines pref/policy + cmdline switch in the browser process.
// For renderer and utility (e.g. NetworkService) processes the switch is the
// only available source, so below the combined (pref/policy + cmdline)
// allowlist of secure origins is injected into |cmdline| for these other
// processes.
std::vector<std::string> allowlist =
network::SecureOriginAllowlist::GetInstance().GetCurrentAllowlist();
if (!allowlist.empty()) {
cmdline->AppendSwitchASCII(
network::switches::kUnsafelyTreatInsecureOriginAsSecure,
base::JoinString(allowlist, ","));
}
}
} // namespace
// static
ElectronBrowserClient* ElectronBrowserClient::Get() {
return g_browser_client;
}
// static
void ElectronBrowserClient::SetApplicationLocale(const std::string& locale) {
if (!BrowserThread::IsThreadInitialized(BrowserThread::IO) ||
!content::GetIOThreadTaskRunner({})->PostTask(
FROM_HERE, base::BindOnce(&SetApplicationLocaleOnIOThread, locale))) {
*g_io_thread_application_locale = locale;
}
*g_application_locale = locale;
}
ElectronBrowserClient::ElectronBrowserClient() {
DCHECK(!g_browser_client);
g_browser_client = this;
}
ElectronBrowserClient::~ElectronBrowserClient() {
DCHECK(g_browser_client);
g_browser_client = nullptr;
}
content::WebContents* ElectronBrowserClient::GetWebContentsFromProcessID(
int process_id) {
// If the process is a pending process, we should use the web contents
// for the frame host passed into RegisterPendingProcess.
const auto iter = pending_processes_.find(process_id);
if (iter != std::end(pending_processes_))
return iter->second;
// Certain render process will be created with no associated render view,
// for example: ServiceWorker.
return WebContentsPreferences::GetWebContentsFromProcessID(process_id);
}
content::SiteInstance* ElectronBrowserClient::GetSiteInstanceFromAffinity(
content::BrowserContext* browser_context,
const GURL& url,
content::RenderFrameHost* rfh) const {
return nullptr;
}
bool ElectronBrowserClient::IsRendererSubFrame(int process_id) const {
return base::Contains(renderer_is_subframe_, process_id);
}
void ElectronBrowserClient::RenderProcessWillLaunch(
content::RenderProcessHost* host) {
// Remove in case the host is reused after a crash, otherwise noop.
host->RemoveObserver(this);
// ensure the ProcessPreferences is removed later
host->AddObserver(this);
}
content::SpeechRecognitionManagerDelegate*
ElectronBrowserClient::CreateSpeechRecognitionManagerDelegate() {
return new ElectronSpeechRecognitionManagerDelegate;
}
content::TtsPlatform* ElectronBrowserClient::GetTtsPlatform() {
return nullptr;
}
void ElectronBrowserClient::OverrideWebkitPrefs(
content::WebContents* web_contents,
blink::web_pref::WebPreferences* prefs) {
prefs->javascript_enabled = true;
prefs->web_security_enabled = true;
prefs->plugins_enabled = true;
prefs->dom_paste_enabled = true;
prefs->allow_scripts_to_close_windows = true;
prefs->javascript_can_access_clipboard = true;
prefs->local_storage_enabled = true;
prefs->databases_enabled = true;
prefs->allow_universal_access_from_file_urls =
electron::fuses::IsGrantFileProtocolExtraPrivilegesEnabled();
prefs->allow_file_access_from_file_urls =
electron::fuses::IsGrantFileProtocolExtraPrivilegesEnabled();
prefs->webgl1_enabled = true;
prefs->webgl2_enabled = true;
prefs->allow_running_insecure_content = false;
prefs->default_minimum_page_scale_factor = 1.f;
prefs->default_maximum_page_scale_factor = 1.f;
blink::RendererPreferences* renderer_prefs =
web_contents->GetMutableRendererPrefs();
renderer_prefs->can_accept_load_drops = false;
ui::NativeTheme* native_theme = ui::NativeTheme::GetInstanceForNativeUi();
prefs->preferred_color_scheme =
native_theme->ShouldUseDarkColors()
? blink::mojom::PreferredColorScheme::kDark
: blink::mojom::PreferredColorScheme::kLight;
SetFontDefaults(prefs);
// Custom preferences of guest page.
auto* web_preferences = WebContentsPreferences::From(web_contents);
if (web_preferences) {
web_preferences->OverrideWebkitPrefs(prefs, renderer_prefs);
}
}
void ElectronBrowserClient::RegisterPendingSiteInstance(
content::RenderFrameHost* rfh,
content::SiteInstance* pending_site_instance) {
// Remember the original web contents for the pending renderer process.
auto* web_contents = content::WebContents::FromRenderFrameHost(rfh);
auto* pending_process = pending_site_instance->GetProcess();
pending_processes_[pending_process->GetID()] = web_contents;
if (rfh->GetParent())
renderer_is_subframe_.insert(pending_process->GetID());
else
renderer_is_subframe_.erase(pending_process->GetID());
}
void ElectronBrowserClient::AppendExtraCommandLineSwitches(
base::CommandLine* command_line,
int process_id) {
// Make sure we're about to launch a known executable
{
ScopedAllowBlockingForElectron allow_blocking;
base::FilePath child_path;
base::FilePath program =
base::MakeAbsoluteFilePath(command_line->GetProgram());
#if BUILDFLAG(IS_MAC)
auto renderer_child_path = content::ChildProcessHost::GetChildPath(
content::ChildProcessHost::CHILD_RENDERER);
auto gpu_child_path = content::ChildProcessHost::GetChildPath(
content::ChildProcessHost::CHILD_GPU);
auto plugin_child_path = content::ChildProcessHost::GetChildPath(
content::ChildProcessHost::CHILD_PLUGIN);
if (program != renderer_child_path && program != gpu_child_path &&
program != plugin_child_path) {
child_path = content::ChildProcessHost::GetChildPath(
content::ChildProcessHost::CHILD_NORMAL);
CHECK_EQ(program, child_path)
<< "Aborted from launching unexpected helper executable";
}
#else
if (!base::PathService::Get(content::CHILD_PROCESS_EXE, &child_path)) {
CHECK(false) << "Unable to get child process binary name.";
}
SCOPED_CRASH_KEY_STRING256("ChildProcess", "child_process_exe",
child_path.AsUTF8Unsafe());
SCOPED_CRASH_KEY_STRING256("ChildProcess", "program",
program.AsUTF8Unsafe());
CHECK_EQ(program, child_path);
#endif
}
std::string process_type =
command_line->GetSwitchValueASCII(::switches::kProcessType);
#if BUILDFLAG(IS_LINUX)
pid_t pid;
if (crash_reporter::GetHandlerSocket(nullptr, &pid)) {
command_line->AppendSwitchASCII(
crash_reporter::switches::kCrashpadHandlerPid,
base::NumberToString(pid));
}
// Zygote Process gets booted before any JS runs, accessing GetClientId
// will end up touching DIR_USER_DATA path provider and this will
// configure default value because app.name from browser_init has
// not run yet.
if (process_type != ::switches::kZygoteProcess) {
std::string switch_value =
api::crash_reporter::GetClientId() + ",no_channel";
command_line->AppendSwitchASCII(::switches::kEnableCrashReporter,
switch_value);
}
#endif
// The zygote process is booted before JS runs, so DIR_USER_DATA isn't usable
// at that time. It doesn't need --user-data-dir to be correct anyway, since
// the zygote itself doesn't access anything in that directory.
if (process_type != ::switches::kZygoteProcess) {
base::FilePath user_data_dir;
if (base::PathService::Get(chrome::DIR_USER_DATA, &user_data_dir))
command_line->AppendSwitchPath(::switches::kUserDataDir, user_data_dir);
}
if (process_type == ::switches::kUtilityProcess ||
process_type == ::switches::kRendererProcess) {
// Copy following switches to child process.
static const char* const kCommonSwitchNames[] = {
switches::kStandardSchemes, switches::kEnableSandbox,
switches::kSecureSchemes, switches::kBypassCSPSchemes,
switches::kCORSSchemes, switches::kFetchSchemes,
switches::kServiceWorkerSchemes, switches::kStreamingSchemes,
switches::kCodeCacheSchemes};
command_line->CopySwitchesFrom(*base::CommandLine::ForCurrentProcess(),
kCommonSwitchNames);
if (process_type == ::switches::kUtilityProcess ||
content::RenderProcessHost::FromID(process_id)) {
MaybeAppendSecureOriginsAllowlistSwitch(command_line);
}
}
if (process_type == ::switches::kRendererProcess) {
#if BUILDFLAG(IS_WIN)
// Append --app-user-model-id.
PWSTR current_app_id;
if (SUCCEEDED(GetCurrentProcessExplicitAppUserModelID(¤t_app_id))) {
command_line->AppendSwitchNative(switches::kAppUserModelId,
current_app_id);
CoTaskMemFree(current_app_id);
}
#endif
if (delegate_) {
auto app_path = static_cast<api::App*>(delegate_)->GetAppPath();
command_line->AppendSwitchPath(switches::kAppPath, app_path);
}
auto env = base::Environment::Create();
if (env->HasVar("ELECTRON_PROFILE_INIT_SCRIPTS")) {
command_line->AppendSwitch("profile-electron-init");
}
// Extension background pages don't have WebContentsPreferences, but they
// support WebSQL by default.
#if BUILDFLAG(ENABLE_ELECTRON_EXTENSIONS)
content::RenderProcessHost* process =
content::RenderProcessHost::FromID(process_id);
if (extensions::ProcessMap::Get(process->GetBrowserContext())
->Contains(process_id))
command_line->AppendSwitch(switches::kEnableWebSQL);
#endif
content::WebContents* web_contents =
GetWebContentsFromProcessID(process_id);
if (web_contents) {
auto* web_preferences = WebContentsPreferences::From(web_contents);
if (web_preferences)
web_preferences->AppendCommandLineSwitches(
command_line, IsRendererSubFrame(process_id));
}
}
}
void ElectronBrowserClient::DidCreatePpapiPlugin(
content::BrowserPpapiHost* host) {}
// attempt to get api key from env
std::string ElectronBrowserClient::GetGeolocationApiKey() {
auto env = base::Environment::Create();
std::string api_key;
env->GetVar("GOOGLE_API_KEY", &api_key);
return api_key;
}
content::GeneratedCodeCacheSettings
ElectronBrowserClient::GetGeneratedCodeCacheSettings(
content::BrowserContext* context) {
// TODO(deepak1556): Use platform cache directory.
base::FilePath cache_path = context->GetPath();
// 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, cache_path);
}
void ElectronBrowserClient::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) {
if (delegate_) {
delegate_->AllowCertificateError(web_contents, cert_error, ssl_info,
request_url, is_main_frame_request,
strict_enforcement, std::move(callback));
}
}
base::OnceClosure ElectronBrowserClient::SelectClientCertificate(
content::BrowserContext* browser_context,
content::WebContents* web_contents,
net::SSLCertRequestInfo* cert_request_info,
net::ClientCertIdentityList client_certs,
std::unique_ptr<content::ClientCertificateDelegate> delegate) {
if (client_certs.empty()) {
delegate->ContinueWithCertificate(nullptr, nullptr);
} else if (delegate_) {
delegate_->SelectClientCertificate(
browser_context, web_contents, cert_request_info,
std::move(client_certs), std::move(delegate));
}
return base::OnceClosure();
}
bool ElectronBrowserClient::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,
const std::string& raw_features,
const scoped_refptr<network::ResourceRequestBody>& body,
bool user_gesture,
bool opener_suppressed,
bool* no_javascript_access) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
content::WebContents* web_contents =
content::WebContents::FromRenderFrameHost(opener);
WebContentsPreferences* prefs = WebContentsPreferences::From(web_contents);
if (prefs) {
if (prefs->ShouldDisablePopups()) {
// <webview> without allowpopups attribute should return
// null from window.open calls
return false;
} else {
*no_javascript_access = false;
return true;
}
}
if (delegate_) {
return delegate_->CanCreateWindow(
opener, opener_url, opener_top_level_frame_url, source_origin,
container_type, target_url, referrer, frame_name, disposition, features,
raw_features, body, user_gesture, opener_suppressed,
no_javascript_access);
}
return false;
}
std::unique_ptr<content::VideoOverlayWindow>
ElectronBrowserClient::CreateWindowForVideoPictureInPicture(
content::VideoPictureInPictureWindowController* controller) {
auto overlay_window = content::VideoOverlayWindow::Create(controller);
#if BUILDFLAG(IS_WIN)
std::wstring app_user_model_id = Browser::Get()->GetAppUserModelID();
if (!app_user_model_id.empty()) {
auto* overlay_window_view =
static_cast<VideoOverlayWindowViews*>(overlay_window.get());
ui::win::SetAppIdForWindow(app_user_model_id,
overlay_window_view->GetNativeWindow()
->GetHost()
->GetAcceleratedWidget());
}
#endif
return overlay_window;
}
void ElectronBrowserClient::GetAdditionalAllowedSchemesForFileSystem(
std::vector<std::string>* additional_schemes) {
const auto& schemes_list = api::GetStandardSchemes();
if (!schemes_list.empty())
additional_schemes->insert(additional_schemes->end(), schemes_list.begin(),
schemes_list.end());
additional_schemes->push_back(content::kChromeDevToolsScheme);
additional_schemes->push_back(content::kChromeUIScheme);
}
void ElectronBrowserClient::GetAdditionalWebUISchemes(
std::vector<std::string>* additional_schemes) {
additional_schemes->push_back(content::kChromeDevToolsScheme);
}
void ElectronBrowserClient::SiteInstanceGotProcess(
content::SiteInstance* site_instance) {
#if BUILDFLAG(ENABLE_ELECTRON_EXTENSIONS)
auto* browser_context =
static_cast<ElectronBrowserContext*>(site_instance->GetBrowserContext());
if (!browser_context->IsOffTheRecord()) {
extensions::ExtensionRegistry* registry =
extensions::ExtensionRegistry::Get(browser_context);
const extensions::Extension* extension =
registry->enabled_extensions().GetExtensionOrAppByURL(
site_instance->GetSiteURL());
if (!extension)
return;
extensions::ProcessMap::Get(browser_context)
->Insert(extension->id(), site_instance->GetProcess()->GetID());
}
#endif // BUILDFLAG(ENABLE_ELECTRON_EXTENSIONS)
}
bool ElectronBrowserClient::IsSuitableHost(
content::RenderProcessHost* process_host,
const GURL& site_url) {
#if BUILDFLAG(ENABLE_ELECTRON_EXTENSIONS)
auto* browser_context = process_host->GetBrowserContext();
extensions::ExtensionRegistry* registry =
extensions::ExtensionRegistry::Get(browser_context);
extensions::ProcessMap* process_map =
extensions::ProcessMap::Get(browser_context);
// Otherwise, just make sure the process privilege matches the privilege
// required by the site.
RenderProcessHostPrivilege privilege_required =
GetPrivilegeRequiredByUrl(site_url, registry);
return GetProcessPrivilege(process_host, process_map, registry) ==
privilege_required;
#else
return content::ContentBrowserClient::IsSuitableHost(process_host, site_url);
#endif
}
bool ElectronBrowserClient::ShouldUseProcessPerSite(
content::BrowserContext* browser_context,
const GURL& effective_url) {
#if BUILDFLAG(ENABLE_ELECTRON_EXTENSIONS)
const extensions::Extension* extension =
GetEnabledExtensionFromEffectiveURL(browser_context, effective_url);
return extension != nullptr;
#else
return content::ContentBrowserClient::ShouldUseProcessPerSite(browser_context,
effective_url);
#endif
}
void ElectronBrowserClient::GetMediaDeviceIDSalt(
content::RenderFrameHost* rfh,
const net::SiteForCookies& site_for_cookies,
const blink::StorageKey& storage_key,
base::OnceCallback<void(bool, const std::string&)> callback) {
constexpr bool persistent_media_device_id_allowed = true;
std::string persistent_media_device_id_salt =
static_cast<ElectronBrowserContext*>(rfh->GetBrowserContext())
->GetMediaDeviceIDSalt();
std::move(callback).Run(persistent_media_device_id_allowed,
persistent_media_device_id_salt);
}
base::FilePath ElectronBrowserClient::GetLoggingFileName(
const base::CommandLine& cmd_line) {
return logging::GetLogFileName(cmd_line);
}
std::unique_ptr<net::ClientCertStore>
ElectronBrowserClient::CreateClientCertStore(
content::BrowserContext* browser_context) {
#if BUILDFLAG(USE_NSS_CERTS)
return std::make_unique<net::ClientCertStoreNSS>(
net::ClientCertStoreNSS::PasswordDelegateFactory());
#elif BUILDFLAG(IS_WIN)
return std::make_unique<net::ClientCertStoreWin>();
#elif BUILDFLAG(IS_MAC)
return std::make_unique<net::ClientCertStoreMac>();
#elif defined(USE_OPENSSL)
return std::unique_ptr<net::ClientCertStore>();
#endif
}
std::unique_ptr<device::LocationProvider>
ElectronBrowserClient::OverrideSystemLocationProvider() {
#if BUILDFLAG(OVERRIDE_LOCATION_PROVIDER)
return std::make_unique<FakeLocationProvider>();
#else
return nullptr;
#endif
}
void ElectronBrowserClient::ConfigureNetworkContextParams(
content::BrowserContext* browser_context,
bool in_memory,
const base::FilePath& relative_partition_path,
network::mojom::NetworkContextParams* network_context_params,
cert_verifier::mojom::CertVerifierCreationParams*
cert_verifier_creation_params) {
DCHECK(browser_context);
return NetworkContextServiceFactory::GetForContext(browser_context)
->ConfigureNetworkContextParams(network_context_params,
cert_verifier_creation_params);
}
network::mojom::NetworkContext*
ElectronBrowserClient::GetSystemNetworkContext() {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
DCHECK(g_browser_process->system_network_context_manager());
return g_browser_process->system_network_context_manager()->GetContext();
}
std::unique_ptr<content::BrowserMainParts>
ElectronBrowserClient::CreateBrowserMainParts(bool /* is_integration_test */) {
auto browser_main_parts = std::make_unique<ElectronBrowserMainParts>();
#if BUILDFLAG(IS_MAC)
browser_main_parts_ = browser_main_parts.get();
#endif
return browser_main_parts;
}
void ElectronBrowserClient::WebNotificationAllowed(
content::RenderFrameHost* rfh,
base::OnceCallback<void(bool, bool)> callback) {
content::WebContents* web_contents =
content::WebContents::FromRenderFrameHost(rfh);
if (!web_contents) {
std::move(callback).Run(false, false);
return;
}
auto* permission_helper =
WebContentsPermissionHelper::FromWebContents(web_contents);
if (!permission_helper) {
std::move(callback).Run(false, false);
return;
}
permission_helper->RequestWebNotificationPermission(
rfh, base::BindOnce(std::move(callback), web_contents->IsAudioMuted()));
}
void ElectronBrowserClient::RenderProcessHostDestroyed(
content::RenderProcessHost* host) {
int process_id = host->GetID();
pending_processes_.erase(process_id);
renderer_is_subframe_.erase(process_id);
host->RemoveObserver(this);
}
void ElectronBrowserClient::RenderProcessReady(
content::RenderProcessHost* host) {
if (delegate_) {
static_cast<api::App*>(delegate_)->RenderProcessReady(host);
}
}
void ElectronBrowserClient::RenderProcessExited(
content::RenderProcessHost* host,
const content::ChildProcessTerminationInfo& info) {
if (delegate_) {
static_cast<api::App*>(delegate_)->RenderProcessExited(host);
}
}
void OnOpenExternal(const GURL& escaped_url, bool allowed) {
if (allowed) {
platform_util::OpenExternal(
escaped_url, platform_util::OpenExternalOptions(), base::DoNothing());
}
}
void HandleExternalProtocolInUI(
const GURL& url,
content::WeakDocumentPtr document_ptr,
content::WebContents::OnceGetter web_contents_getter,
bool has_user_gesture) {
content::WebContents* web_contents = std::move(web_contents_getter).Run();
if (!web_contents)
return;
auto* permission_helper =
WebContentsPermissionHelper::FromWebContents(web_contents);
if (!permission_helper)
return;
content::RenderFrameHost* rfh = document_ptr.AsRenderFrameHostIfValid();
if (!rfh) {
// If the render frame host is not valid it means it was a top level
// navigation and the frame has already been disposed of. In this case we
// take the current main frame and declare it responsible for the
// transition.
rfh = web_contents->GetPrimaryMainFrame();
}
GURL escaped_url(base::EscapeExternalHandlerValue(url.spec()));
auto callback = base::BindOnce(&OnOpenExternal, escaped_url);
permission_helper->RequestOpenExternalPermission(rfh, std::move(callback),
has_user_gesture, url);
}
bool ElectronBrowserClient::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 std::optional<url::Origin>& initiating_origin,
content::RenderFrameHost* initiator_document,
mojo::PendingRemote<network::mojom::URLLoaderFactory>* out_factory) {
content::GetUIThreadTaskRunner({})->PostTask(
FROM_HERE,
base::BindOnce(&HandleExternalProtocolInUI, url,
initiator_document
? initiator_document->GetWeakDocumentPtr()
: content::WeakDocumentPtr(),
std::move(web_contents_getter), has_user_gesture));
return true;
}
std::vector<std::unique_ptr<content::NavigationThrottle>>
ElectronBrowserClient::CreateThrottlesForNavigation(
content::NavigationHandle* handle) {
std::vector<std::unique_ptr<content::NavigationThrottle>> throttles;
throttles.push_back(std::make_unique<ElectronNavigationThrottle>(handle));
#if BUILDFLAG(ENABLE_ELECTRON_EXTENSIONS)
throttles.push_back(
std::make_unique<extensions::ExtensionNavigationThrottle>(handle));
#endif
#if BUILDFLAG(ENABLE_PDF_VIEWER)
std::unique_ptr<content::NavigationThrottle> pdf_iframe_throttle =
PDFIFrameNavigationThrottle::MaybeCreateThrottleFor(handle);
if (pdf_iframe_throttle)
throttles.push_back(std::move(pdf_iframe_throttle));
std::unique_ptr<content::NavigationThrottle> pdf_throttle =
pdf::PdfNavigationThrottle::MaybeCreateThrottleFor(
handle, std::make_unique<ChromePdfStreamDelegate>());
if (pdf_throttle)
throttles.push_back(std::move(pdf_throttle));
#endif
return throttles;
}
content::MediaObserver* ElectronBrowserClient::GetMediaObserver() {
return MediaCaptureDevicesDispatcher::GetInstance();
}
std::unique_ptr<content::DevToolsManagerDelegate>
ElectronBrowserClient::CreateDevToolsManagerDelegate() {
return std::make_unique<DevToolsManagerDelegate>();
}
NotificationPresenter* ElectronBrowserClient::GetNotificationPresenter() {
if (!notification_presenter_) {
notification_presenter_.reset(NotificationPresenter::Create());
}
return notification_presenter_.get();
}
content::PlatformNotificationService*
ElectronBrowserClient::GetPlatformNotificationService() {
if (!notification_service_) {
notification_service_ = std::make_unique<PlatformNotificationService>(this);
}
return notification_service_.get();
}
base::FilePath ElectronBrowserClient::GetDefaultDownloadDirectory() {
base::FilePath download_path;
if (base::PathService::Get(chrome::DIR_DEFAULT_DOWNLOADS, &download_path))
return download_path;
return base::FilePath();
}
scoped_refptr<network::SharedURLLoaderFactory>
ElectronBrowserClient::GetSystemSharedURLLoaderFactory() {
if (!g_browser_process)
return nullptr;
return g_browser_process->shared_url_loader_factory();
}