electron/atom/renderer/renderer_client_base.cc
Cheng Zhao 3094f62f0b
fix: use webContentsId with contextId together (#13749)
After after using `processId-contextCounter` as contextId, it may happen
that contexts in different WebContents sharing the same renderer process
get the same contextId. Using webContentsId as part of key in
ObjectsRegistry can fix this.
2018-07-24 16:21:38 +09:00

262 lines
9.7 KiB
C++

// 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 <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/guest_view_container.h"
#include "atom/renderer/preferences_manager.h"
#include "base/command_line.h"
#include "base/process/process_handle.h"
#include "base/strings/string_split.h"
#include "base/strings/stringprintf.h"
#include "chrome/renderer/media/chrome_key_systems.h"
#include "chrome/renderer/printing/print_web_view_helper.h"
#include "chrome/renderer/tts_dispatcher.h"
#include "content/public/common/content_constants.h"
#include "content/public/renderer/render_view.h"
#include "native_mate/dictionary.h"
#include "third_party/WebKit/Source/platform/weborigin/SchemeRegistry.h"
#include "third_party/WebKit/public/web/WebCustomElement.h" // NOLINT(build/include_alpha)
#include "third_party/WebKit/public/web/WebFrameWidget.h"
#include "third_party/WebKit/public/web/WebKit.h"
#include "third_party/WebKit/public/web/WebPluginParams.h"
#include "third_party/WebKit/public/web/WebScriptSource.h"
#include "third_party/WebKit/public/web/WebSecurityPolicy.h"
#if defined(OS_MACOSX)
#include "base/mac/mac_util.h"
#include "base/strings/sys_string_conversions.h"
#endif
#if defined(OS_WIN)
#include <shlobj.h>
#endif
#if defined(ENABLE_PDF_VIEWER)
#include "atom/common/atom_constants.h"
#endif // defined(ENABLE_PDF_VIEWER)
#if defined(ENABLE_PEPPER_FLASH)
#include "chrome/renderer/pepper/pepper_helper.h"
#endif // defined(ENABLE_PEPPER_FLASH)
// This is defined in later versions of Chromium, remove this if you see
// compiler complaining duplicate defines.
#if defined(OS_WIN) || defined(OS_FUCHSIA)
#define CrPRIdPid "ld"
#else
#define CrPRIdPid "d"
#endif
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(const char* switch_name) {
base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
std::string custom_schemes = command_line->GetSwitchValueASCII(switch_name);
return base::SplitString(custom_schemes, ",", base::TRIM_WHITESPACE,
base::SPLIT_WANT_NONEMPTY);
}
} // namespace
RendererClientBase::RendererClientBase() {
// Parse --standard-schemes=scheme1,scheme2
std::vector<std::string> standard_schemes_list =
ParseSchemesCLISwitch(switches::kStandardSchemes);
for (const std::string& scheme : standard_schemes_list)
url::AddStandardScheme(scheme.c_str(), url::SCHEME_WITHOUT_PORT);
isolated_world_ = base::CommandLine::ForCurrentProcess()->HasSwitch(
switches::kContextIsolation);
}
RendererClientBase::~RendererClientBase() {}
void RendererClientBase::DidCreateScriptContext(
v8::Handle<v8::Context> context,
content::RenderFrame* render_frame) {
// global.setHidden("contextId", `${processId}-${++next_context_id_}`)
std::string context_id = base::StringPrintf(
"%" CrPRIdPid "-%d", base::GetCurrentProcId(), ++next_context_id_);
v8::Isolate* isolate = context->GetIsolate();
v8::Local<v8::String> key = mate::StringToSymbol(isolate, "contextId");
v8::Local<v8::Private> private_key = v8::Private::ForApi(isolate, key);
v8::Local<v8::Value> value = mate::ConvertToV8(isolate, context_id);
context->Global()->SetPrivate(context, private_key, value);
}
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() {
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::RegisterURLSchemeAsCORSEnabled(extension_scheme);
blink::SchemeRegistry::RegisterURLSchemeAsBypassingContentSecurityPolicy(
extension_scheme);
// Parse --secure-schemes=scheme1,scheme2
std::vector<std::string> secure_schemes_list =
ParseSchemesCLISwitch(switches::kSecureSchemes);
for (const std::string& scheme : secure_schemes_list)
blink::SchemeRegistry::RegisterURLSchemeAsSecure(
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::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
base::string16 app_id =
command_line->GetSwitchValueNative(switches::kAppUserModelId);
if (!app_id.empty()) {
SetCurrentProcessExplicitAppUserModelID(app_id.c_str());
}
#endif
#if defined(OS_MACOSX)
base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
bool scroll_bounce = command_line->HasSwitch(switches::kScrollBounce);
CFPreferencesSetAppValue(CFSTR("NSScrollViewRubberbanding"),
scroll_bounce ? kCFBooleanTrue : kCFBooleanFalse,
kCFPreferencesCurrentApplication);
CFPreferencesAppSynchronize(kCFPreferencesCurrentApplication);
#endif
}
void RendererClientBase::RenderFrameCreated(
content::RenderFrame* render_frame) {
#if defined(TOOLKIT_VIEWS)
new AutofillAgent(render_frame);
#endif
#if defined(ENABLE_PEPPER_FLASH)
new PepperHelper(render_frame);
#endif
new ContentSettingsObserver(render_frame);
new printing::PrintWebViewHelper(render_frame);
// This is required for widevine plugin detection provided during runtime.
blink::ResetPluginCache();
#if defined(ENABLE_PDF_VIEWER)
// Allow access to file scheme from pdf viewer.
blink::WebSecurityPolicy::AddOriginAccessWhitelistEntry(
GURL(kPdfViewerUIOrigin), "file", "", true);
#endif // defined(ENABLE_PDF_VIEWER)
}
void RendererClientBase::RenderViewCreated(content::RenderView* render_view) {
new AtomRenderViewObserver(render_view);
blink::WebFrameWidget* web_frame_widget = render_view->GetWebFrameWidget();
if (!web_frame_widget)
return;
base::CommandLine* cmd = base::CommandLine::ForCurrentProcess();
if (cmd->HasSwitch(switches::kGuestInstanceID)) { // webview.
web_frame_widget->SetBaseBackgroundColor(SK_ColorTRANSPARENT);
} else { // normal window.
std::string name = cmd->GetSwitchValueASCII(switches::kBackgroundColor);
SkColor color = name.empty() ? SK_ColorTRANSPARENT : ParseHexColor(name);
web_frame_widget->SetBaseBackgroundColor(color);
}
}
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) {
return std::make_unique<TtsDispatcher>(client);
}
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 defined(ENABLE_PDF_VIEWER)
params.mime_type.Utf8() == kPdfPluginMimeType ||
#endif // defined(ENABLE_PDF_VIEWER)
command_line->HasSwitch(switches::kEnablePlugins))
return false;
*plugin = nullptr;
return true;
}
content::BrowserPluginDelegate* RendererClientBase::CreateBrowserPluginDelegate(
content::RenderFrame* render_frame,
const std::string& mime_type,
const GURL& original_url) {
if (mime_type == content::kBrowserPluginMimeType) {
return new GuestViewContainer(render_frame);
} else {
return nullptr;
}
}
void RendererClientBase::AddSupportedKeySystems(
std::vector<std::unique_ptr<::media::KeySystemProperties>>* key_systems) {
AddChromeKeySystems(key_systems);
}
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();
}
} // namespace atom