electron/atom/browser/atom_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 "atom/browser/atom_browser_client.h"
#if defined(OS_WIN)
#include <shlobj.h>
#endif
#include "atom/browser/atom_access_token_store.h"
#include "atom/browser/atom_browser_context.h"
#include "atom/browser/atom_browser_main_parts.h"
#include "atom/browser/atom_quota_permission_context.h"
#include "atom/browser/atom_resource_dispatcher_host_delegate.h"
#include "atom/browser/atom_speech_recognition_manager_delegate.h"
#include "atom/browser/native_window.h"
#include "atom/browser/web_contents_permission_helper.h"
#include "atom/browser/web_contents_preferences.h"
#include "atom/browser/window_list.h"
#include "atom/common/options_switches.h"
#include "base/command_line.h"
#include "base/files/file_util.h"
#include "base/stl_util.h"
#include "base/strings/string_util.h"
#include "base/strings/string_number_conversions.h"
#include "chrome/browser/printing/printing_message_filter.h"
#include "chrome/browser/renderer_host/pepper/chrome_browser_pepper_host_factory.h"
#include "chrome/browser/renderer_host/pepper/widevine_cdm_message_filter.h"
#include "chrome/browser/speech/tts_message_filter.h"
#include "content/public/browser/browser_ppapi_host.h"
#include "content/public/browser/client_certificate_delegate.h"
#include "content/public/browser/render_process_host.h"
#include "content/public/browser/render_view_host.h"
#include "content/public/browser/resource_dispatcher_host.h"
#include "content/public/browser/site_instance.h"
#include "content/public/browser/web_contents.h"
#include "content/public/common/web_preferences.h"
#include "net/cert/x509_certificate.h"
#include "net/ssl/ssl_cert_request_info.h"
#include "ppapi/host/ppapi_host.h"
#include "ui/base/l10n/l10n_util.h"
#include "v8/include/v8.h"
namespace atom {
namespace {
// The default routing id of WebContents.
// In Electron each RenderProcessHost only has one WebContents, so this ID is
// same for every WebContents.
int kDefaultRoutingID = 2;
// Next navigation should not restart renderer process.
bool g_suppress_renderer_process_restart = false;
// Custom schemes to be registered to standard.
std::string g_custom_schemes = "";
// Custom schemes to be registered to handle service worker.
std::string g_custom_service_worker_schemes = "";
scoped_refptr<net::X509Certificate> ImportCertFromFile(
const base::FilePath& path) {
if (path.empty())
return nullptr;
std::string cert_data;
if (!base::ReadFileToString(path, &cert_data))
return nullptr;
net::CertificateList certs =
net::X509Certificate::CreateCertificateListFromBytes(
cert_data.data(), cert_data.size(),
net::X509Certificate::FORMAT_AUTO);
if (certs.empty())
return nullptr;
return certs[0];
}
} // namespace
// static
void AtomBrowserClient::SuppressRendererProcessRestartForOnce() {
g_suppress_renderer_process_restart = true;
}
void AtomBrowserClient::SetCustomSchemes(
const std::vector<std::string>& schemes) {
g_custom_schemes = base::JoinString(schemes, ",");
}
void AtomBrowserClient::SetCustomServiceWorkerSchemes(
const std::vector<std::string>& schemes) {
g_custom_service_worker_schemes = base::JoinString(schemes, ",");
}
AtomBrowserClient::AtomBrowserClient() : delegate_(nullptr) {
}
AtomBrowserClient::~AtomBrowserClient() {
}
void AtomBrowserClient::RenderProcessWillLaunch(
content::RenderProcessHost* host) {
int process_id = host->GetID();
host->AddFilter(new printing::PrintingMessageFilter(process_id));
host->AddFilter(new TtsMessageFilter(process_id, host->GetBrowserContext()));
host->AddFilter(
new WidevineCdmMessageFilter(process_id, host->GetBrowserContext()));
}
content::SpeechRecognitionManagerDelegate*
AtomBrowserClient::CreateSpeechRecognitionManagerDelegate() {
return new AtomSpeechRecognitionManagerDelegate;
}
content::AccessTokenStore* AtomBrowserClient::CreateAccessTokenStore() {
return new AtomAccessTokenStore;
}
void AtomBrowserClient::OverrideWebkitPrefs(
content::RenderViewHost* host, content::WebPreferences* prefs) {
prefs->javascript_enabled = true;
prefs->web_security_enabled = true;
prefs->javascript_can_open_windows_automatically = 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->application_cache_enabled = true;
prefs->allow_universal_access_from_file_urls = true;
prefs->allow_file_access_from_file_urls = true;
prefs->experimental_webgl_enabled = true;
prefs->allow_displaying_insecure_content = false;
prefs->allow_running_insecure_content = false;
// Custom preferences of guest page.
auto web_contents = content::WebContents::FromRenderViewHost(host);
WebContentsPreferences::OverrideWebkitPrefs(web_contents, prefs);
}
std::string AtomBrowserClient::GetApplicationLocale() {
return l10n_util::GetApplicationLocale("");
}
void AtomBrowserClient::OverrideSiteInstanceForNavigation(
content::BrowserContext* browser_context,
content::SiteInstance* current_instance,
const GURL& url,
content::SiteInstance** new_instance) {
if (g_suppress_renderer_process_restart) {
g_suppress_renderer_process_restart = false;
return;
}
// Restart renderer process for all navigations except "javacript:" scheme.
if (url.SchemeIs(url::kJavaScriptScheme))
return;
*new_instance = content::SiteInstance::CreateForURL(browser_context, url);
// Remember the original renderer process of the pending renderer process.
auto current_process = current_instance->GetProcess();
auto pending_process = (*new_instance)->GetProcess();
pending_processes_[pending_process->GetID()] = current_process->GetID();
// Clear the entry in map when process ends.
current_process->AddObserver(this);
}
void AtomBrowserClient::AppendExtraCommandLineSwitches(
base::CommandLine* command_line,
int process_id) {
std::string process_type = command_line->GetSwitchValueASCII("type");
if (process_type != "renderer")
return;
// The registered standard schemes.
if (!g_custom_schemes.empty())
command_line->AppendSwitchASCII(switches::kRegisterStandardSchemes,
g_custom_schemes);
// The registered service worker schemes.
if (!g_custom_service_worker_schemes.empty())
command_line->AppendSwitchASCII(switches::kRegisterServiceWorkerSchemes,
g_custom_service_worker_schemes);
#if defined(OS_WIN)
// Append --app-user-model-id.
PWSTR current_app_id;
if (SUCCEEDED(GetCurrentProcessExplicitAppUserModelID(&current_app_id))) {
command_line->AppendSwitchNative(switches::kAppUserModelId, current_app_id);
CoTaskMemFree(current_app_id);
}
#endif
// If the process is a pending process, we should use the old one.
if (ContainsKey(pending_processes_, process_id))
process_id = pending_processes_[process_id];
// Certain render process will be created with no associated render view,
// for example: ServiceWorker.
auto rvh = content::RenderViewHost::FromID(process_id, kDefaultRoutingID);
if (!rvh)
return;
// Get the WebContents of the render process.
content::WebContents* web_contents =
content::WebContents::FromRenderViewHost(rvh);
if (!web_contents)
return;
WebContentsPreferences::AppendExtraCommandLineSwitches(
web_contents, command_line);
}
void AtomBrowserClient::DidCreatePpapiPlugin(
content::BrowserPpapiHost* host) {
host->GetPpapiHost()->AddHostFactoryFilter(
make_scoped_ptr(new chrome::ChromeBrowserPepperHostFactory(host)));
}
content::QuotaPermissionContext*
AtomBrowserClient::CreateQuotaPermissionContext() {
return new AtomQuotaPermissionContext;
}
void AtomBrowserClient::AllowCertificateError(
int render_process_id,
int render_frame_id,
int cert_error,
const net::SSLInfo& ssl_info,
const GURL& request_url,
content::ResourceType resource_type,
bool overridable,
bool strict_enforcement,
bool expired_previous_decision,
const base::Callback<void(bool)>& callback,
content::CertificateRequestResultType* request) {
if (delegate_) {
delegate_->AllowCertificateError(
render_process_id, render_frame_id, cert_error, ssl_info, request_url,
resource_type, overridable, strict_enforcement,
expired_previous_decision, callback, request);
}
}
void AtomBrowserClient::SelectClientCertificate(
content::WebContents* web_contents,
net::SSLCertRequestInfo* cert_request_info,
scoped_ptr<content::ClientCertificateDelegate> delegate) {
// --client-certificate=`path`
auto cmd = base::CommandLine::ForCurrentProcess();
if (cmd->HasSwitch(switches::kClientCertificate)) {
auto cert_path = cmd->GetSwitchValuePath(switches::kClientCertificate);
auto certificate = ImportCertFromFile(cert_path);
if (certificate.get())
delegate->ContinueWithCertificate(certificate.get());
return;
}
if (!cert_request_info->client_certs.empty() && delegate_) {
delegate_->SelectClientCertificate(
web_contents, cert_request_info, delegate.Pass());
}
}
void AtomBrowserClient::ResourceDispatcherHostCreated() {
resource_dispatcher_host_delegate_.reset(
new AtomResourceDispatcherHostDelegate);
content::ResourceDispatcherHost::Get()->SetDelegate(
resource_dispatcher_host_delegate_.get());
}
brightray::BrowserMainParts* AtomBrowserClient::OverrideCreateBrowserMainParts(
const content::MainFunctionParams&) {
v8::V8::Initialize(); // Init V8 before creating main parts.
return new AtomBrowserMainParts;
}
void AtomBrowserClient::WebNotificationAllowed(
int render_process_id,
const base::Callback<void(bool)>& callback) {
content::WebContents* web_contents = content::WebContents::FromRenderViewHost(
content::RenderViewHost::FromID(render_process_id, kDefaultRoutingID));
if (!web_contents) {
callback.Run(false);
return;
}
auto permission_helper =
WebContentsPermissionHelper::FromWebContents(web_contents);
if (!permission_helper) {
callback.Run(false);
return;
}
permission_helper->RequestWebNotificationPermission(callback);
}
void AtomBrowserClient::RenderProcessHostDestroyed(
content::RenderProcessHost* host) {
int process_id = host->GetID();
for (const auto& entry : pending_processes_) {
if (entry.first == process_id || entry.second == process_id) {
pending_processes_.erase(entry.first);
break;
}
}
}
} // namespace atom