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ash / webui / help_app_ui / help_app_ui.cc [blame]
// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ash/webui/help_app_ui/help_app_ui.h"
#include <utility>
#include "ash/constants/ash_features.h"
#include "ash/webui/grit/ash_help_app_resources.h"
#include "ash/webui/help_app_ui/help_app_manager.h"
#include "ash/webui/help_app_ui/help_app_manager_factory.h"
#include "ash/webui/help_app_ui/help_app_page_handler.h"
#include "ash/webui/help_app_ui/help_app_untrusted_ui.h"
#include "ash/webui/help_app_ui/search/search_handler.h"
#include "ash/webui/web_applications/webui_test_prod_util.h"
#include "base/check_deref.h"
#include "base/strings/strcat.h"
#include "chromeos/ash/components/local_search_service/public/cpp/local_search_service_proxy.h"
#include "chromeos/ash/components/local_search_service/public/cpp/local_search_service_proxy_factory.h"
#include "chromeos/ash/components/local_search_service/public/mojom/types.mojom.h"
#include "chromeos/constants/url_constants.h"
#include "chromeos/strings/grit/chromeos_strings.h"
#include "components/content_settings/core/common/content_settings_types.h"
#include "content/public/browser/web_contents.h"
#include "content/public/browser/web_ui.h"
#include "content/public/browser/web_ui_data_source.h"
#include "content/public/common/url_constants.h"
#include "services/network/public/mojom/content_security_policy.mojom.h"
#include "ui/webui/webui_allowlist.h"
namespace ash {
namespace {
content::WebUIDataSource* CreateAndAddHostDataSource(
content::BrowserContext* browser_context) {
content::WebUIDataSource* source = content::WebUIDataSource::CreateAndAdd(
browser_context, kChromeUIHelpAppHost);
source->SetDefaultResource(IDR_HELP_APP_HOST_INDEX_DARK_LIGHT_HTML);
source->AddResourcePath("app_icon_192.png", IDR_HELP_APP_ICON_192);
source->AddResourcePath("app_icon_512.png", IDR_HELP_APP_ICON_512);
source->AddResourcePath("browser_proxy.js", IDR_HELP_APP_BROWSER_PROXY_JS);
source->AddLocalizedString("appTitle", IDS_HELP_APP_EXPLORE);
return source;
}
} // namespace
HelpAppUI::HelpAppUI(content::WebUI* web_ui,
std::unique_ptr<HelpAppUIDelegate> delegate,
PrefService* pref_service)
: MojoWebUIController(web_ui),
delegate_(std::move(delegate)),
pref_service_(CHECK_DEREF(pref_service)) {
content::BrowserContext* browser_context =
web_ui->GetWebContents()->GetBrowserContext();
content::WebUIDataSource* host_source =
CreateAndAddHostDataSource(browser_context);
// We need a CSP override to use the chrome-untrusted://, almanac:// and
// cros-apps:// schemes in the host.
std::string csp = base::StrCat({"frame-src ", kChromeUIHelpAppUntrustedURL,
" ", chromeos::kAppInstallUriScheme, ":;"});
host_source->OverrideContentSecurityPolicy(
network::mojom::CSPDirectiveName::FrameSrc, csp);
// Add ability to request chrome-untrusted: URLs.
web_ui->AddRequestableScheme(content::kChromeUIUntrustedScheme);
// Register common permissions for chrome-untrusted:// pages.
// TODO(crbug.com/40710326): Remove this after common permissions are
// granted by default.
auto* permissions_allowlist = WebUIAllowlist::GetOrCreate(browser_context);
const url::Origin untrusted_origin =
url::Origin::Create(GURL(kChromeUIHelpAppUntrustedURL));
permissions_allowlist->RegisterAutoGrantedPermissions(
untrusted_origin, {
ContentSettingsType::COOKIES,
ContentSettingsType::IMAGES,
ContentSettingsType::JAVASCRIPT,
ContentSettingsType::SOUND,
});
if (MaybeConfigureTestableDataSource(host_source)) {
host_source->OverrideContentSecurityPolicy(
network::mojom::CSPDirectiveName::ScriptSrc,
"script-src chrome://resources chrome://webui-test 'self';");
host_source->OverrideContentSecurityPolicy(
network::mojom::CSPDirectiveName::TrustedTypes,
std::string("trusted-types test-harness;"));
}
// Register common permissions for chrome-untrusted:// pages.
// TODO(crbug.com/40710326): Remove this after common permissions are
// granted by default.
auto* magazine_permissions_allowlist =
WebUIAllowlist::GetOrCreate(browser_context);
const url::Origin magazine_untrusted_origin =
url::Origin::Create(GURL(kChromeUIHelpAppKidsMagazineUntrustedURL));
magazine_permissions_allowlist->RegisterAutoGrantedPermissions(
magazine_untrusted_origin, {
ContentSettingsType::COOKIES,
ContentSettingsType::IMAGES,
ContentSettingsType::JAVASCRIPT,
ContentSettingsType::SOUND,
});
}
HelpAppUI::~HelpAppUI() = default;
void HelpAppUI::BindInterface(
mojo::PendingReceiver<help_app::mojom::PageHandlerFactory> receiver) {
page_factory_receiver_.reset();
page_factory_receiver_.Bind(std::move(receiver));
}
void HelpAppUI::BindInterface(
mojo::PendingReceiver<local_search_service::mojom::Index> index_receiver) {
auto* const factory = local_search_service::LocalSearchServiceProxyFactory::
GetForBrowserContext(web_ui()->GetWebContents()->GetBrowserContext());
factory->SetLocalState(delegate_->GetLocalState());
factory->GetIndex(local_search_service::IndexId::kHelpApp,
local_search_service::Backend::kInvertedIndex,
std::move(index_receiver));
}
void HelpAppUI::BindInterface(
mojo::PendingReceiver<help_app::mojom::SearchHandler> receiver) {
if (base::FeatureList::IsEnabled(features::kHelpAppLauncherSearch)) {
help_app::HelpAppManagerFactory::GetForBrowserContext(
web_ui()->GetWebContents()->GetBrowserContext())
->search_handler()
->BindInterface(std::move(receiver));
}
}
void HelpAppUI::CreatePageHandler(
mojo::PendingReceiver<help_app::mojom::PageHandler> receiver) {
page_handler_ = std::make_unique<HelpAppPageHandler>(
this, std::move(receiver), pref_service_);
}
bool HelpAppUI::IsJavascriptErrorReportingEnabled() {
// JavaScript errors are reported via CrashReportPrivate.reportError. Don't
// send duplicate reports via WebUI.
return false;
}
WEB_UI_CONTROLLER_TYPE_IMPL(HelpAppUI)
} // namespace ash