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electron/atom/renderer/renderer_client_base.cc
Robo 7936237677
build: enable gn check for //electron:electron_lib (#17100) 
* build: enable gn check for //electron:electron_lib

* ci: add gn check step

* ci: set depot_tools path

* chrome_key_systems_provider.h nogncheck

* chore: fix gn check errors on windows

* chore: gn check //electron:electron_app
2019-03-05 10:38:55 +05:30

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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 "atom/renderer/renderer_client_base.h"
#include <memory>
#include <string>
#include <vector>
#include "atom/common/color_util.h"
#include "atom/common/native_mate_converters/value_converter.h"
#include "atom/common/options_switches.h"
#include "atom/renderer/atom_autofill_agent.h"
#include "atom/renderer/atom_render_frame_observer.h"
#include "atom/renderer/atom_render_view_observer.h"
#include "atom/renderer/content_settings_observer.h"
#include "atom/renderer/preferences_manager.h"
#include "base/command_line.h"
#include "base/strings/string_split.h"
#include "base/strings/stringprintf.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_view.h"
#include "electron/buildflags/buildflags.h"
#include "native_mate/dictionary.h"
#include "printing/buildflags/buildflags.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_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/weborigin/scheme_registry.h" // nogncheck
#if defined(OS_MACOSX)
#include "base/strings/sys_string_conversions.h"
#endif
#if defined(OS_WIN)
#include <shlobj.h>
#endif
#if BUILDFLAG(ENABLE_PDF_VIEWER)
#include "atom/common/atom_constants.h"
#endif // BUILDFLAG(ENABLE_PDF_VIEWER)
#if BUILDFLAG(ENABLE_PEPPER_FLASH)
#include "chrome/renderer/pepper/pepper_helper.h"
#endif // BUILDFLAG(ENABLE_PEPPER_FLASH)
#if BUILDFLAG(ENABLE_TTS)
#include "chrome/renderer/tts_dispatcher.h"
#endif // BUILDFLAG(ENABLE_TTS)
#if BUILDFLAG(ENABLE_PRINTING)
#include "atom/renderer/printing/print_render_frame_helper_delegate.h"
#include "components/printing/renderer/print_render_frame_helper.h"
#include "printing/print_settings.h"
#endif // BUILDFLAG(ENABLE_PRINTING)
namespace atom {
namespace {
v8::Local<v8::Value> GetRenderProcessPreferences(
const PreferencesManager* preferences_manager,
v8::Isolate* isolate) {
if (preferences_manager->preferences())
return mate::ConvertToV8(isolate, *preferences_manager->preferences());
else
return v8::Null(isolate);
}
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);
}
void SetHiddenValue(v8::Handle<v8::Context> context,
const base::StringPiece& key,
v8::Local<v8::Value> value) {
v8::Isolate* isolate = context->GetIsolate();
v8::Local<v8::Private> privateKey =
v8::Private::ForApi(isolate, mate::StringToV8(isolate, key));
context->Global()->SetPrivate(context, privateKey, value);
}
} // namespace
RendererClientBase::RendererClientBase() {
auto* command_line = base::CommandLine::ForCurrentProcess();
// 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);
isolated_world_ = base::CommandLine::ForCurrentProcess()->HasSwitch(
switches::kContextIsolation);
// 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);
}
RendererClientBase::~RendererClientBase() {}
void RendererClientBase::DidCreateScriptContext(
v8::Handle<v8::Context> context,
content::RenderFrame* render_frame) {
// global.setHidden("contextId", `${processHostId}-${++next_context_id_}`)
auto context_id = base::StringPrintf(
"%s-%" PRId64, renderer_client_id_.c_str(), ++next_context_id_);
v8::Isolate* isolate = context->GetIsolate();
SetHiddenValue(context, "contextId", mate::ConvertToV8(isolate, context_id));
auto* command_line = base::CommandLine::ForCurrentProcess();
bool enableRemoteModule =
!command_line->HasSwitch(switches::kDisableRemoteModule);
SetHiddenValue(context, "enableRemoteModule",
mate::ConvertToV8(isolate, enableRemoteModule));
}
void RendererClientBase::AddRenderBindings(
v8::Isolate* isolate,
v8::Local<v8::Object> binding_object) {
mate::Dictionary dict(isolate, binding_object);
dict.SetMethod(
"getRenderProcessPreferences",
base::Bind(GetRenderProcessPreferences, preferences_manager_.get()));
}
void RendererClientBase::RenderThreadStarted() {
auto* command_line = base::CommandLine::ForCurrentProcess();
blink::WebCustomElement::AddEmbedderCustomElementName("webview");
blink::WebCustomElement::AddEmbedderCustomElementName("browserplugin");
WTF::String extension_scheme("chrome-extension");
// 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);
// In Chrome we should set extension's origins to match the pages they can
// work on, but in Electron currently we just let extensions do anything.
blink::SchemeRegistry::RegisterURLSchemeAsSecure(extension_scheme);
blink::SchemeRegistry::RegisterURLSchemeAsBypassingContentSecurityPolicy(
extension_scheme);
// 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)
blink::SchemeRegistry::RegisterURLSchemeAsSecure(
WTF::String::FromUTF8(scheme.data(), scheme.length()));
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()));
// Allow file scheme to handle service worker by default.
// FIXME(zcbenz): Can this be moved elsewhere?
blink::WebSecurityPolicy::RegisterURLSchemeAsAllowingServiceWorkers("file");
blink::SchemeRegistry::RegisterURLSchemeAsSupportingFetchAPI("file");
preferences_manager_.reset(new PreferencesManager);
#if defined(OS_WIN)
// Set ApplicationUserModelID in renderer process.
base::string16 app_id =
command_line->GetSwitchValueNative(switches::kAppUserModelId);
if (!app_id.empty()) {
SetCurrentProcessExplicitAppUserModelID(app_id.c_str());
}
#endif
}
void RendererClientBase::RenderFrameCreated(
content::RenderFrame* render_frame) {
#if defined(TOOLKIT_VIEWS)
new AutofillAgent(render_frame);
#endif
#if BUILDFLAG(ENABLE_PEPPER_FLASH)
new PepperHelper(render_frame);
#endif
new ContentSettingsObserver(render_frame);
#if BUILDFLAG(ENABLE_PRINTING)
new printing::PrintRenderFrameHelper(
render_frame, std::make_unique<atom::PrintRenderFrameHelperDelegate>());
#endif
#if BUILDFLAG(ENABLE_PDF_VIEWER)
// Allow access to file scheme from pdf viewer.
blink::WebSecurityPolicy::AddOriginAccessWhitelistEntry(
GURL(kPdfViewerUIOrigin), "file", "", true);
#endif // BUILDFLAG(ENABLE_PDF_VIEWER)
content::RenderView* render_view = render_frame->GetRenderView();
if (render_frame->IsMainFrame() && render_view) {
blink::WebView* webview = render_view->GetWebView();
if (webview) {
base::CommandLine* cmd = base::CommandLine::ForCurrentProcess();
if (cmd->HasSwitch(switches::kGuestInstanceID)) { // webview.
webview->SetBaseBackgroundColor(SK_ColorTRANSPARENT);
} else { // normal window.
std::string name = cmd->GetSwitchValueASCII(switches::kBackgroundColor);
SkColor color =
name.empty() ? SK_ColorTRANSPARENT : ParseHexColor(name);
webview->SetBaseBackgroundColor(color);
}
}
}
}
void RendererClientBase::RenderViewCreated(content::RenderView* render_view) {
new AtomRenderViewObserver(render_view);
}
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"));
}
std::unique_ptr<blink::WebSpeechSynthesizer>
RendererClientBase::OverrideSpeechSynthesizer(
blink::WebSpeechSynthesizerClient* client) {
#if BUILDFLAG(ENABLE_TTS)
return std::make_unique<TtsDispatcher>(client);
#else
return nullptr;
#endif
}
bool RendererClientBase::OverrideCreatePlugin(
content::RenderFrame* render_frame,
const blink::WebPluginParams& params,
blink::WebPlugin** plugin) {
base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
if (params.mime_type.Utf8() == content::kBrowserPluginMimeType ||
#if BUILDFLAG(ENABLE_PDF_VIEWER)
params.mime_type.Utf8() == kPdfPluginMimeType ||
#endif // BUILDFLAG(ENABLE_PDF_VIEWER)
command_line->HasSwitch(switches::kEnablePlugins))
return false;
*plugin = nullptr;
return true;
}
void RendererClientBase::AddSupportedKeySystems(
std::vector<std::unique_ptr<::media::KeySystemProperties>>* key_systems) {
#if defined(WIDEVINE_CDM_AVAILABLE)
key_systems_provider_.AddSupportedKeySystems(key_systems);
#endif
}
bool RendererClientBase::IsKeySystemsUpdateNeeded() {
#if defined(WIDEVINE_CDM_AVAILABLE)
return key_systems_provider_.IsKeySystemsUpdateNeeded();
#else
return false;
#endif
}
void RendererClientBase::DidSetUserAgent(const std::string& user_agent) {
#if BUILDFLAG(ENABLE_PRINTING)
printing::SetAgent(user_agent);
#endif
}
v8::Local<v8::Context> RendererClientBase::GetContext(
blink::WebLocalFrame* frame,
v8::Isolate* isolate) const {
if (isolated_world())
return frame->WorldScriptContext(isolate, World::ISOLATED_WORLD);
else
return frame->MainWorldScriptContext();
}
v8::Local<v8::Value> RendererClientBase::RunScript(
v8::Local<v8::Context> context,
v8::Local<v8::String> source) {
auto maybe_script = v8::Script::Compile(context, source);
v8::Local<v8::Script> script;
if (!maybe_script.ToLocal(&script))
return v8::Local<v8::Value>();
return script->Run(context).ToLocalChecked();
}
} // namespace atom
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