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electron/shell/renderer/renderer_client_base.cc
trop[bot] 097a3e9024
chore: use v8::Local<>, not v8::Handle<> (#43037) 
v8::Handle is an alias for v8::Local that "is kept around for historical
reasons" and is disabled when V8_IMMINENT_DEPRECATION_WARNING is defined

Co-authored-by: trop[bot] <37223003+trop[bot]@users.noreply.github.com>
Co-authored-by: Charles Kerr <charles@charleskerr.com>
2024-07-25 11:00:05 +02:00

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// Copyright (c) 2017 GitHub, Inc.
// Use of this source code is governed by the MIT license that can be
// found in the LICENSE file.
#include "shell/renderer/renderer_client_base.h"
#include <memory>
#include <string>
#include <utility>
#include <vector>
#include "base/command_line.h"
#include "base/strings/string_split.h"
#include "base/strings/stringprintf.h"
#include "components/network_hints/renderer/web_prescient_networking_impl.h"
#include "content/common/buildflags.h"
#include "content/public/common/content_constants.h"
#include "content/public/common/content_switches.h"
#include "content/public/renderer/render_frame.h"
#include "content/public/renderer/render_thread.h"
#include "electron/buildflags/buildflags.h"
#include "electron/fuses.h"
#include "media/base/key_systems_support_registration.h"
#include "printing/buildflags/buildflags.h"
#include "shell/browser/api/electron_api_protocol.h"
#include "shell/common/api/electron_api_native_image.h"
#include "shell/common/color_util.h"
#include "shell/common/gin_helper/dictionary.h"
#include "shell/common/node_includes.h"
#include "shell/common/node_util.h"
#include "shell/common/options_switches.h"
#include "shell/common/world_ids.h"
#include "shell/renderer/api/context_bridge/object_cache.h"
#include "shell/renderer/api/electron_api_context_bridge.h"
#include "shell/renderer/browser_exposed_renderer_interfaces.h"
#include "shell/renderer/content_settings_observer.h"
#include "shell/renderer/electron_api_service_impl.h"
#include "shell/renderer/electron_autofill_agent.h"
#include "third_party/blink/public/common/associated_interfaces/associated_interface_registry.h"
#include "third_party/blink/public/common/web_preferences/web_preferences.h"
#include "third_party/blink/public/platform/web_runtime_features.h"
#include "third_party/blink/public/web/blink.h"
#include "third_party/blink/public/web/web_custom_element.h" // NOLINT(build/include_alpha)
#include "third_party/blink/public/web/web_frame_widget.h"
#include "third_party/blink/public/web/web_local_frame.h"
#include "third_party/blink/public/web/web_plugin_params.h"
#include "third_party/blink/public/web/web_script_source.h"
#include "third_party/blink/public/web/web_security_policy.h"
#include "third_party/blink/public/web/web_view.h"
#include "third_party/blink/renderer/platform/media/multi_buffer_data_source.h" // nogncheck
#include "third_party/blink/renderer/platform/weborigin/scheme_registry.h" // nogncheck
#include "third_party/widevine/cdm/buildflags.h"
#if BUILDFLAG(IS_MAC)
#include "base/strings/sys_string_conversions.h"
#endif
#if BUILDFLAG(IS_WIN)
#include <shlobj.h>
#endif
#if BUILDFLAG(ENABLE_WIDEVINE)
#include "chrome/renderer/media/chrome_key_systems.h" // nogncheck
#endif
#if BUILDFLAG(ENABLE_BUILTIN_SPELLCHECKER)
#include "components/spellcheck/renderer/spellcheck.h"
#include "components/spellcheck/renderer/spellcheck_provider.h"
#endif
#if BUILDFLAG(ENABLE_PDF_VIEWER)
#include "components/pdf/common/constants.h" // nogncheck
#include "components/pdf/common/pdf_util.h" // nogncheck
#include "components/pdf/renderer/pdf_internal_plugin_delegate.h"
#include "shell/common/electron_constants.h"
#endif // BUILDFLAG(ENABLE_PDF_VIEWER)
#if BUILDFLAG(ENABLE_PLUGINS)
#include "shell/common/plugin_info.h"
#include "shell/renderer/pepper_helper.h"
#endif // BUILDFLAG(ENABLE_PLUGINS)
#if BUILDFLAG(ENABLE_PRINTING)
#include "components/printing/renderer/print_render_frame_helper.h"
#include "printing/metafile_agent.h" // nogncheck
#include "shell/renderer/printing/print_render_frame_helper_delegate.h"
#endif // BUILDFLAG(ENABLE_PRINTING)
#if BUILDFLAG(ENABLE_ELECTRON_EXTENSIONS)
#include "base/strings/utf_string_conversions.h"
#include "content/public/common/webplugininfo.h"
#include "extensions/common/constants.h"
#include "extensions/common/extensions_client.h"
#include "extensions/renderer/api/core_extensions_renderer_api_provider.h"
#include "extensions/renderer/dispatcher.h"
#include "extensions/renderer/extension_frame_helper.h"
#include "extensions/renderer/extension_web_view_helper.h"
#include "extensions/renderer/guest_view/mime_handler_view/mime_handler_view_container_manager.h"
#include "shell/common/extensions/electron_extensions_client.h"
#include "shell/renderer/extensions/electron_extensions_renderer_api_provider.h"
#include "shell/renderer/extensions/electron_extensions_renderer_client.h"
#endif // BUILDFLAG(ENABLE_ELECTRON_EXTENSIONS)
namespace electron {
content::RenderFrame* GetRenderFrame(v8::Local<v8::Object> value);
namespace {
void SetIsWebView(v8::Isolate* isolate, v8::Local<v8::Object> object) {
gin_helper::Dictionary dict(isolate, object);
dict.SetHidden("isWebView", true);
}
std::vector<std::string> ParseSchemesCLISwitch(base::CommandLine* command_line,
const char* switch_name) {
std::string custom_schemes = command_line->GetSwitchValueASCII(switch_name);
return base::SplitString(custom_schemes, ",", base::TRIM_WHITESPACE,
base::SPLIT_WANT_NONEMPTY);
}
#if BUILDFLAG(ENABLE_PDF_VIEWER)
class ChromePdfInternalPluginDelegate final
: public pdf::PdfInternalPluginDelegate {
public:
ChromePdfInternalPluginDelegate() = default;
ChromePdfInternalPluginDelegate(const ChromePdfInternalPluginDelegate&) =
delete;
ChromePdfInternalPluginDelegate& operator=(
const ChromePdfInternalPluginDelegate&) = delete;
~ChromePdfInternalPluginDelegate() override = default;
// `pdf::PdfInternalPluginDelegate`:
bool IsAllowedOrigin(const url::Origin& origin) const override {
return origin.scheme() == extensions::kExtensionScheme &&
origin.host() == extension_misc::kPdfExtensionId;
}
};
#endif // BUILDFLAG(ENABLE_PDF_VIEWER)
// static
RendererClientBase* g_renderer_client_base = nullptr;
bool IsDevTools(content::RenderFrame* render_frame) {
return render_frame->GetWebFrame()->GetDocument().Url().ProtocolIs(
"devtools");
}
bool IsDevToolsExtension(content::RenderFrame* render_frame) {
return render_frame->GetWebFrame()->GetDocument().Url().ProtocolIs(
"chrome-extension");
}
} // namespace
RendererClientBase::RendererClientBase() {
auto* command_line = base::CommandLine::ForCurrentProcess();
// Parse --service-worker-schemes=scheme1,scheme2
std::vector<std::string> service_worker_schemes_list =
ParseSchemesCLISwitch(command_line, switches::kServiceWorkerSchemes);
for (const std::string& scheme : service_worker_schemes_list)
electron::api::AddServiceWorkerScheme(scheme);
// Parse --standard-schemes=scheme1,scheme2
std::vector<std::string> standard_schemes_list =
ParseSchemesCLISwitch(command_line, switches::kStandardSchemes);
for (const std::string& scheme : standard_schemes_list)
url::AddStandardScheme(scheme.c_str(), url::SCHEME_WITH_HOST);
// Parse --cors-schemes=scheme1,scheme2
std::vector<std::string> cors_schemes_list =
ParseSchemesCLISwitch(command_line, switches::kCORSSchemes);
for (const std::string& scheme : cors_schemes_list)
url::AddCorsEnabledScheme(scheme.c_str());
// Parse --streaming-schemes=scheme1,scheme2
std::vector<std::string> streaming_schemes_list =
ParseSchemesCLISwitch(command_line, switches::kStreamingSchemes);
for (const std::string& scheme : streaming_schemes_list)
blink::AddStreamingScheme(scheme.c_str());
// Parse --secure-schemes=scheme1,scheme2
std::vector<std::string> secure_schemes_list =
ParseSchemesCLISwitch(command_line, switches::kSecureSchemes);
for (const std::string& scheme : secure_schemes_list)
url::AddSecureScheme(scheme.data());
// We rely on the unique process host id which is notified to the
// renderer process via command line switch from the content layer,
// if this switch is removed from the content layer for some reason,
// we should define our own.
DCHECK(command_line->HasSwitch(::switches::kRendererClientId));
renderer_client_id_ =
command_line->GetSwitchValueASCII(::switches::kRendererClientId);
g_renderer_client_base = this;
}
RendererClientBase::~RendererClientBase() {
g_renderer_client_base = nullptr;
}
// static
RendererClientBase* RendererClientBase::Get() {
DCHECK(g_renderer_client_base);
return g_renderer_client_base;
}
void RendererClientBase::BindProcess(v8::Isolate* isolate,
gin_helper::Dictionary* process,
content::RenderFrame* render_frame) {
auto context_id = base::StringPrintf(
"%s-%" PRId64, renderer_client_id_.c_str(), ++next_context_id_);
process->SetReadOnly("isMainFrame", render_frame->IsMainFrame());
process->SetReadOnly("contextIsolated",
render_frame->GetBlinkPreferences().context_isolation);
process->SetReadOnly("contextId", context_id);
}
bool RendererClientBase::ShouldLoadPreload(
v8::Local<v8::Context> context,
content::RenderFrame* render_frame) const {
auto prefs = render_frame->GetBlinkPreferences();
bool is_main_frame = render_frame->IsMainFrame();
bool is_devtools =
IsDevTools(render_frame) || IsDevToolsExtension(render_frame);
bool allow_node_in_sub_frames = prefs.node_integration_in_sub_frames;
return (is_main_frame || is_devtools || allow_node_in_sub_frames) &&
!IsWebViewFrame(context, render_frame);
}
void RendererClientBase::RenderThreadStarted() {
auto* command_line = base::CommandLine::ForCurrentProcess();
// Enable MessagePort close event by default.
// The feature got reverted from stable to test in
// https://chromium-review.googlesource.com/c/chromium/src/+/5276821
// We had the event supported through patch before upstream support,
// this is an alternative option than restoring our patch.
blink::WebRuntimeFeatures::EnableFeatureFromString("MessagePortCloseEvent",
true);
#if BUILDFLAG(ENABLE_ELECTRON_EXTENSIONS)
auto* thread = content::RenderThread::Get();
extensions_client_.reset(CreateExtensionsClient());
extensions::ExtensionsClient::Set(extensions_client_.get());
extensions_renderer_client_ =
std::make_unique<ElectronExtensionsRendererClient>();
extensions_renderer_client_->AddAPIProvider(
std::make_unique<extensions::CoreExtensionsRendererAPIProvider>());
extensions_renderer_client_->AddAPIProvider(
std::make_unique<ElectronExtensionsRendererAPIProvider>());
extensions_renderer_client_->RenderThreadStarted();
extensions::ExtensionsRendererClient::Set(extensions_renderer_client_.get());
thread->AddObserver(extensions_renderer_client_->GetDispatcher());
WTF::String extension_scheme(extensions::kExtensionScheme);
// Extension resources are HTTP-like and safe to expose to the fetch API. The
// rules for the fetch API are consistent with XHR.
blink::SchemeRegistry::RegisterURLSchemeAsSupportingFetchAPI(
extension_scheme);
// Extension resources, when loaded as the top-level document, should bypass
// Blink's strict first-party origin checks.
blink::SchemeRegistry::RegisterURLSchemeAsFirstPartyWhenTopLevel(
extension_scheme);
blink::SchemeRegistry::RegisterURLSchemeAsBypassingContentSecurityPolicy(
extension_scheme);
#endif
#if BUILDFLAG(ENABLE_BUILTIN_SPELLCHECKER)
spellcheck_ = std::make_unique<SpellCheck>(this);
#endif
blink::WebCustomElement::AddEmbedderCustomElementName("webview");
blink::WebCustomElement::AddEmbedderCustomElementName("browserplugin");
std::vector<std::string> fetch_enabled_schemes =
ParseSchemesCLISwitch(command_line, switches::kFetchSchemes);
for (const std::string& scheme : fetch_enabled_schemes) {
blink::WebSecurityPolicy::RegisterURLSchemeAsSupportingFetchAPI(
blink::WebString::FromASCII(scheme));
}
std::vector<std::string> service_worker_schemes =
ParseSchemesCLISwitch(command_line, switches::kServiceWorkerSchemes);
for (const std::string& scheme : service_worker_schemes)
blink::WebSecurityPolicy::RegisterURLSchemeAsAllowingServiceWorkers(
blink::WebString::FromASCII(scheme));
std::vector<std::string> csp_bypassing_schemes =
ParseSchemesCLISwitch(command_line, switches::kBypassCSPSchemes);
for (const std::string& scheme : csp_bypassing_schemes)
blink::SchemeRegistry::RegisterURLSchemeAsBypassingContentSecurityPolicy(
WTF::String::FromUTF8(scheme.data(), scheme.length()));
std::vector<std::string> code_cache_schemes_list =
ParseSchemesCLISwitch(command_line, switches::kCodeCacheSchemes);
for (const auto& scheme : code_cache_schemes_list) {
blink::WebSecurityPolicy::RegisterURLSchemeAsCodeCacheWithHashing(
blink::WebString::FromASCII(scheme));
}
// Allow file scheme to handle service worker by default.
// FIXME(zcbenz): Can this be moved elsewhere?
if (electron::fuses::IsGrantFileProtocolExtraPrivilegesEnabled()) {
blink::WebSecurityPolicy::RegisterURLSchemeAsAllowingServiceWorkers("file");
blink::SchemeRegistry::RegisterURLSchemeAsSupportingFetchAPI("file");
}
#if BUILDFLAG(IS_WIN)
// Set ApplicationUserModelID in renderer process.
std::wstring app_id =
command_line->GetSwitchValueNative(switches::kAppUserModelId);
if (!app_id.empty()) {
SetCurrentProcessExplicitAppUserModelID(app_id.c_str());
}
#endif
}
void RendererClientBase::ExposeInterfacesToBrowser(mojo::BinderMap* binders) {
// NOTE: Do not add binders directly within this method. Instead, modify the
// definition of |ExposeElectronRendererInterfacesToBrowser()| to ensure
// security review coverage.
ExposeElectronRendererInterfacesToBrowser(this, binders);
}
void RendererClientBase::RenderFrameCreated(
content::RenderFrame* render_frame) {
#if defined(TOOLKIT_VIEWS)
new AutofillAgent(render_frame,
render_frame->GetAssociatedInterfaceRegistry());
#endif
#if BUILDFLAG(ENABLE_PLUGINS)
new PepperHelper(render_frame);
#endif
new ContentSettingsObserver(render_frame);
#if BUILDFLAG(ENABLE_PRINTING)
new printing::PrintRenderFrameHelper(
render_frame,
std::make_unique<electron::PrintRenderFrameHelperDelegate>());
#endif
// Note: ElectronApiServiceImpl has to be created now to capture the
// DidCreateDocumentElement event.
new ElectronApiServiceImpl(render_frame, this);
#if BUILDFLAG(ENABLE_ELECTRON_EXTENSIONS)
auto* dispatcher = extensions_renderer_client_->GetDispatcher();
// ExtensionFrameHelper destroys itself when the RenderFrame is destroyed.
new extensions::ExtensionFrameHelper(render_frame, dispatcher);
dispatcher->OnRenderFrameCreated(render_frame);
render_frame->GetAssociatedInterfaceRegistry()
->AddInterface<extensions::mojom::MimeHandlerViewContainerManager>(
base::BindRepeating(
&extensions::MimeHandlerViewContainerManager::BindReceiver,
base::Unretained(render_frame)));
#endif
#if BUILDFLAG(ENABLE_BUILTIN_SPELLCHECKER)
if (render_frame->GetBlinkPreferences().enable_spellcheck) {
new SpellCheckProvider(render_frame, spellcheck_.get());
}
#endif
}
#if BUILDFLAG(ENABLE_BUILTIN_SPELLCHECKER)
void RendererClientBase::GetInterface(
const std::string& interface_name,
mojo::ScopedMessagePipeHandle interface_pipe) {
// TODO(crbug.com/977637): Get rid of the use of this implementation of
// |service_manager::LocalInterfaceProvider|. This was done only to avoid
// churning spellcheck code while eliminating the "chrome" and
// "chrome_renderer" services. Spellcheck is (and should remain) the only
// consumer of this implementation.
content::RenderThread::Get()->BindHostReceiver(
mojo::GenericPendingReceiver(interface_name, std::move(interface_pipe)));
}
#endif
void RendererClientBase::DidClearWindowObject(
content::RenderFrame* render_frame) {
// Make sure every page will get a script context created.
render_frame->GetWebFrame()->ExecuteScript(blink::WebScriptSource("void 0"));
}
bool RendererClientBase::OverrideCreatePlugin(
content::RenderFrame* render_frame,
const blink::WebPluginParams& params,
blink::WebPlugin** plugin) {
#if BUILDFLAG(ENABLE_PDF_VIEWER)
if (params.mime_type.Utf8() == pdf::kInternalPluginMimeType) {
*plugin = pdf::CreateInternalPlugin(
std::move(params), render_frame,
std::make_unique<ChromePdfInternalPluginDelegate>());
return true;
}
#endif // BUILDFLAG(ENABLE_PDF_VIEWER)
if (params.mime_type.Utf8() == content::kBrowserPluginMimeType ||
render_frame->GetBlinkPreferences().enable_plugins)
return false;
*plugin = nullptr;
return true;
}
void RendererClientBase::DidSetUserAgent(const std::string& user_agent) {
#if BUILDFLAG(ENABLE_PRINTING)
printing::SetAgent(user_agent);
#endif
}
bool RendererClientBase::IsPluginHandledExternally(
content::RenderFrame* render_frame,
const blink::WebElement& plugin_element,
const GURL& original_url,
const std::string& mime_type) {
#if BUILDFLAG(ENABLE_PDF_VIEWER)
DCHECK(plugin_element.HasHTMLTagName("object") ||
plugin_element.HasHTMLTagName("embed"));
if (mime_type == pdf::kInternalPluginMimeType) {
if (IsPdfInternalPluginAllowedOrigin(
render_frame->GetWebFrame()->GetSecurityOrigin())) {
return true;
}
content::WebPluginInfo info;
info.type = content::WebPluginInfo::PLUGIN_TYPE_PEPPER_OUT_OF_PROCESS;
info.name = base::ASCIIToUTF16(kPDFInternalPluginName);
info.path = base::FilePath(kPdfPluginPath);
info.background_color = content::WebPluginInfo::kDefaultBackgroundColor;
info.mime_types.emplace_back(pdf::kInternalPluginMimeType, "pdf",
"Portable Document Format");
return extensions::MimeHandlerViewContainerManager::Get(
content::RenderFrame::FromWebFrame(
plugin_element.GetDocument().GetFrame()),
true /* create_if_does_not_exist */)
->CreateFrameContainer(plugin_element, original_url, mime_type, info);
}
return extensions::MimeHandlerViewContainerManager::Get(
content::RenderFrame::FromWebFrame(
plugin_element.GetDocument().GetFrame()),
true /* create_if_does_not_exist */)
->CreateFrameContainer(plugin_element, original_url, mime_type,
GetPDFPluginInfo());
#else
return false;
#endif
}
v8::Local<v8::Object> RendererClientBase::GetScriptableObject(
const blink::WebElement& plugin_element,
v8::Isolate* isolate) {
#if BUILDFLAG(ENABLE_ELECTRON_EXTENSIONS)
// If there is a MimeHandlerView that can provide the scriptable object then
// MaybeCreateMimeHandlerView must have been called before and a container
// manager should exist.
auto* container_manager = extensions::MimeHandlerViewContainerManager::Get(
content::RenderFrame::FromWebFrame(
plugin_element.GetDocument().GetFrame()),
false /* create_if_does_not_exist */);
if (container_manager)
return container_manager->GetScriptableObject(plugin_element, isolate);
#endif
return v8::Local<v8::Object>();
}
std::unique_ptr<blink::WebPrescientNetworking>
RendererClientBase::CreatePrescientNetworking(
content::RenderFrame* render_frame) {
return std::make_unique<network_hints::WebPrescientNetworkingImpl>(
render_frame);
}
void RendererClientBase::RunScriptsAtDocumentStart(
content::RenderFrame* render_frame) {
#if BUILDFLAG(ENABLE_ELECTRON_EXTENSIONS)
extensions_renderer_client_.get()->RunScriptsAtDocumentStart(render_frame);
#endif
}
void RendererClientBase::RunScriptsAtDocumentIdle(
content::RenderFrame* render_frame) {
#if BUILDFLAG(ENABLE_ELECTRON_EXTENSIONS)
extensions_renderer_client_.get()->RunScriptsAtDocumentIdle(render_frame);
#endif
}
void RendererClientBase::RunScriptsAtDocumentEnd(
content::RenderFrame* render_frame) {
#if BUILDFLAG(ENABLE_ELECTRON_EXTENSIONS)
extensions_renderer_client_.get()->RunScriptsAtDocumentEnd(render_frame);
#endif
}
bool RendererClientBase::AllowScriptExtensionForServiceWorker(
const url::Origin& script_origin) {
#if BUILDFLAG(ENABLE_ELECTRON_EXTENSIONS)
return script_origin.scheme() == extensions::kExtensionScheme;
#else
return false;
#endif
}
void RendererClientBase::DidInitializeServiceWorkerContextOnWorkerThread(
blink::WebServiceWorkerContextProxy* context_proxy,
const GURL& service_worker_scope,
const GURL& script_url) {
#if BUILDFLAG(ENABLE_ELECTRON_EXTENSIONS)
extensions_renderer_client_->GetDispatcher()
->DidInitializeServiceWorkerContextOnWorkerThread(
context_proxy, service_worker_scope, script_url);
#endif
}
void RendererClientBase::WillEvaluateServiceWorkerOnWorkerThread(
blink::WebServiceWorkerContextProxy* context_proxy,
v8::Local<v8::Context> v8_context,
int64_t service_worker_version_id,
const GURL& service_worker_scope,
const GURL& script_url) {
#if BUILDFLAG(ENABLE_ELECTRON_EXTENSIONS)
extensions_renderer_client_->GetDispatcher()
->WillEvaluateServiceWorkerOnWorkerThread(
context_proxy, v8_context, service_worker_version_id,
service_worker_scope, script_url);
#endif
}
void RendererClientBase::DidStartServiceWorkerContextOnWorkerThread(
int64_t service_worker_version_id,
const GURL& service_worker_scope,
const GURL& script_url) {
#if BUILDFLAG(ENABLE_ELECTRON_EXTENSIONS)
extensions_renderer_client_->GetDispatcher()
->DidStartServiceWorkerContextOnWorkerThread(
service_worker_version_id, service_worker_scope, script_url);
#endif
}
void RendererClientBase::WillDestroyServiceWorkerContextOnWorkerThread(
v8::Local<v8::Context> context,
int64_t service_worker_version_id,
const GURL& service_worker_scope,
const GURL& script_url) {
#if BUILDFLAG(ENABLE_ELECTRON_EXTENSIONS)
extensions_renderer_client_->GetDispatcher()
->WillDestroyServiceWorkerContextOnWorkerThread(
context, service_worker_version_id, service_worker_scope, script_url);
#endif
}
void RendererClientBase::WebViewCreated(blink::WebView* web_view,
bool was_created_by_renderer,
const url::Origin* outermost_origin) {
#if BUILDFLAG(ENABLE_ELECTRON_EXTENSIONS)
new extensions::ExtensionWebViewHelper(web_view, outermost_origin);
#endif
}
v8::Local<v8::Context> RendererClientBase::GetContext(
blink::WebLocalFrame* frame,
v8::Isolate* isolate) const {
auto* render_frame = content::RenderFrame::FromWebFrame(frame);
DCHECK(render_frame);
if (render_frame && render_frame->GetBlinkPreferences().context_isolation)
return frame->GetScriptContextFromWorldId(isolate,
WorldIDs::ISOLATED_WORLD_ID);
else
return frame->MainWorldScriptContext();
}
#if BUILDFLAG(ENABLE_ELECTRON_EXTENSIONS)
extensions::ExtensionsClient* RendererClientBase::CreateExtensionsClient() {
return new ElectronExtensionsClient;
}
#endif
bool RendererClientBase::IsWebViewFrame(
v8::Local<v8::Context> context,
content::RenderFrame* render_frame) const {
auto* isolate = context->GetIsolate();
if (render_frame->IsMainFrame())
return false;
gin::Dictionary window_dict(
isolate, GetContext(render_frame->GetWebFrame(), isolate)->Global());
v8::Local<v8::Object> frame_element;
if (!window_dict.Get("frameElement", &frame_element))
return false;
gin_helper::Dictionary frame_element_dict(isolate, frame_element);
bool is_webview = false;
return frame_element_dict.GetHidden("isWebView", &is_webview) && is_webview;
}
void RendererClientBase::SetupMainWorldOverrides(
v8::Local<v8::Context> context,
content::RenderFrame* render_frame) {
auto prefs = render_frame->GetBlinkPreferences();
// We only need to run the isolated bundle if webview is enabled
if (!prefs.webview_tag)
return;
// Setup window overrides in the main world context
// Wrap the bundle into a function that receives the isolatedApi as
// an argument.
auto* isolate = context->GetIsolate();
v8::HandleScope handle_scope(isolate);
v8::Context::Scope context_scope(context);
auto isolated_api = gin_helper::Dictionary::CreateEmpty(isolate);
isolated_api.SetMethod("allowGuestViewElementDefinition",
&AllowGuestViewElementDefinition);
isolated_api.SetMethod("setIsWebView", &SetIsWebView);
auto source_context = GetContext(render_frame->GetWebFrame(), isolate);
gin_helper::Dictionary global(isolate, source_context->Global());
v8::Local<v8::Value> guest_view_internal;
if (global.GetHidden("guestViewInternal", &guest_view_internal)) {
api::context_bridge::ObjectCache object_cache;
auto result = api::PassValueToOtherContext(
source_context, context, guest_view_internal, source_context->Global(),
&object_cache, false, 0, api::BridgeErrorTarget::kSource);
if (!result.IsEmpty()) {
isolated_api.Set("guestViewInternal", result.ToLocalChecked());
}
}
std::vector<v8::Local<v8::String>> isolated_bundle_params = {
node::FIXED_ONE_BYTE_STRING(isolate, "isolatedApi")};
std::vector<v8::Local<v8::Value>> isolated_bundle_args = {
isolated_api.GetHandle()};
util::CompileAndCall(context, "electron/js2c/isolated_bundle",
&isolated_bundle_params, &isolated_bundle_args);
}
// static
void RendererClientBase::AllowGuestViewElementDefinition(
v8::Isolate* isolate,
v8::Local<v8::Object> context,
v8::Local<v8::Function> register_cb) {
v8::HandleScope handle_scope(isolate);
v8::Context::Scope context_scope(context->GetCreationContextChecked());
blink::WebCustomElement::EmbedderNamesAllowedScope embedder_names_scope;
content::RenderFrame* render_frame = GetRenderFrame(context);
if (!render_frame)
return;
render_frame->GetWebFrame()->RequestExecuteV8Function(
context->GetCreationContextChecked(), register_cb, v8::Null(isolate), 0,
nullptr, base::NullCallback());
}
} // namespace electron
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