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// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <string_view>
#include "base/check_deref.h"
#include "chrome/browser/ash/app_mode/kiosk_controller.h"
#include "chrome/browser/ash/app_mode/test/kiosk_mixin.h"
#include "chrome/browser/ash/app_mode/test/kiosk_test_utils.h"
#include "chrome/browser/ash/login/demo_mode/demo_mode_window_closer.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/browser/ui/browser_list.h"
#include "chrome/browser/ui/browser_window.h"
#include "chrome/browser/ui/tabs/tab_strip_model.h"
#include "chrome/common/pref_names.h"
#include "chrome/test/base/in_process_browser_test.h"
#include "chrome/test/base/mixin_based_in_process_browser_test.h"
#include "chrome/test/base/ui_test_utils.h"
#include "components/guest_view/browser/guest_view.h"
#include "components/guest_view/browser/guest_view_base.h"
#include "components/guest_view/browser/guest_view_manager_delegate.h"
#include "components/guest_view/browser/test_guest_view_manager.h"
#include "content/public/browser/web_contents.h"
#include "content/public/test/browser_test.h"
#include "content/public/test/browser_test_utils.h"
#include "extensions/browser/api/extensions_api_client.h"
#include "extensions/browser/app_window/app_window.h"
#include "extensions/browser/app_window/app_window_registry.h"
#include "extensions/browser/guest_view/mime_handler_view/test_mime_handler_view_guest.h"
#include "extensions/browser/guest_view/web_view/web_view_guest.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/base/window_open_disposition.h"
namespace ash {
using kiosk::test::WaitKioskLaunched;
namespace {
// This web page opens a PDF file once `link1` is clicked.
// That triggers a mime handler guest view creation.
constexpr std::string_view kPdfOpenerUrl = "/pdf/test-iframe-pdf.html";
void NotifyKioskGuestAdded(content::WebContents* guest_web_contents) {
KioskController::Get().OnGuestAdded(guest_web_contents);
}
// Creates a new browser with enabled kiosk troubleshooting tools policy,
// navigates to the given `page_url` and returns it's active `WebContents`.
content::WebContents* OpenUrlInBrowser(GURL page_url) {
// Enable troubleshooting tools to be able to open a browser in kiosk mode.
ash::kiosk::test::CurrentProfile().GetPrefs()->SetBoolean(
prefs::kKioskTroubleshootingToolsEnabled, true);
Browser::CreateParams params =
Browser::CreateParams(Browser::Type::TYPE_NORMAL,
/*profile=*/&ash::kiosk::test::CurrentProfile(),
/*user_gesture=*/true);
auto& new_browser = CHECK_DEREF(Browser::Create(params));
new_browser.window()->Show();
ui_test_utils::NavigateToURLWithDisposition(
&new_browser, page_url, WindowOpenDisposition::NEW_FOREGROUND_TAB,
ui_test_utils::BROWSER_TEST_WAIT_FOR_LOAD_STOP);
return new_browser.tab_strip_model()->GetActiveWebContents();
}
// Open a PDF file in iframe of test-iframe-pdf.html web page.
// `web_contents` is active browser web contents of test-iframe-pdf.html.
bool OpenPdfInWebContents(content::WebContents* web_contents) {
return content::ExecJs(
web_contents,
"var button_to_open_pdf = document.getElementById('link1');"
"button_to_open_pdf.click();");
}
guest_view::TestGuestViewManager& GetGuestViewManager(
guest_view::TestGuestViewManagerFactory& factory) {
return CHECK_DEREF(factory.GetOrCreateTestGuestViewManager(
&ash::kiosk::test::CurrentProfile(),
extensions::ExtensionsAPIClient::Get()
->CreateGuestViewManagerDelegate()));
}
KioskMixin::DefaultServerWebAppOption PdfWebApp() {
return KioskMixin::DefaultServerWebAppOption{
/*account_id=*/"pdf-web-app@localhost",
/*url_path=*/kPdfOpenerUrl};
}
} // namespace
class KioskGuestViewTest
: public MixinBasedInProcessBrowserTest,
public testing::WithParamInterface<KioskMixin::Config> {
public:
KioskGuestViewTest() {
// Force allow Chrome Apps in Kiosk, since they are default disabled since
// M138.
scoped_feature_list_.InitFromCommandLine("AllowChromeAppsInKioskSessions",
"");
}
KioskGuestViewTest(const KioskGuestViewTest&) = delete;
KioskGuestViewTest& operator=(const KioskGuestViewTest&) = delete;
~KioskGuestViewTest() override = default;
protected:
const KioskMixin::Config& kiosk_mixin_config() { return GetParam(); }
void SetUpOnMainThread() override {
MixinBasedInProcessBrowserTest::SetUpOnMainThread();
ASSERT_TRUE(WaitKioskLaunched());
}
guest_view::TestGuestViewManagerFactory& factory() { return factory_; }
ash::KioskMixin kiosk_{&mixin_host_,
/*cached_configuration=*/kiosk_mixin_config()};
private:
guest_view::TestGuestViewManagerFactory factory_;
base::test::ScopedFeatureList scoped_feature_list_;
};
IN_PROC_BROWSER_TEST_P(KioskGuestViewTest, AddingWebViewGuestViewDoesNotCrash) {
EXPECT_EQ(0ULL, GetGuestViewManager(factory()).GetCurrentGuestCount());
// Open Web UI with a `<webview>` tag.
// Note: `<webview>` is a restricted tag and triggers guest view creation only
// for Chrome apps and WebUi pages, which are allowlisted here:
// extensions/common/api/_api_features.json
ASSERT_NE(nullptr,
OpenUrlInBrowser(GURL("chrome://chrome-signin/?reason=5")));
auto* guest_view =
GetGuestViewManager(factory()).WaitForSingleGuestViewCreated();
ASSERT_NE(guest_view, nullptr);
ASSERT_NE(guest_view->web_contents(), nullptr);
EXPECT_NE(nullptr, extensions::WebViewGuest::FromWebContents(
guest_view->web_contents()));
EXPECT_NO_FATAL_FAILURE(NotifyKioskGuestAdded(guest_view->web_contents()));
}
IN_PROC_BROWSER_TEST_P(KioskGuestViewTest,
AddingMimeHandlerGuestViewDoesNotCrash) {
// Open a new browser with locally served test-iframe-pdf.html web page.
GURL url = kiosk_.GetDefaultServerUrl(kPdfOpenerUrl);
content::WebContents* web_contents = OpenUrlInBrowser(url);
ASSERT_TRUE(OpenPdfInWebContents(web_contents));
auto* guest_view =
GetGuestViewManager(factory()).WaitForSingleGuestViewCreated();
ASSERT_NE(guest_view, nullptr);
ASSERT_NE(guest_view->web_contents(), nullptr);
EXPECT_EQ(nullptr, extensions::WebViewGuest::FromWebContents(
guest_view->web_contents()));
EXPECT_NO_FATAL_FAILURE(NotifyKioskGuestAdded(guest_view->web_contents()));
}
INSTANTIATE_TEST_SUITE_P(
All,
KioskGuestViewTest,
testing::ValuesIn(KioskMixin::ConfigsToAutoLaunchEachAppType()),
KioskMixin::ConfigName);
class WebKioskGuestViewTest : public MixinBasedInProcessBrowserTest {
public:
WebKioskGuestViewTest() = default;
WebKioskGuestViewTest(const WebKioskGuestViewTest&) = delete;
WebKioskGuestViewTest& operator=(const WebKioskGuestViewTest&) = delete;
~WebKioskGuestViewTest() override = default;
protected:
void SetUpOnMainThread() override {
MixinBasedInProcessBrowserTest::SetUpOnMainThread();
ASSERT_TRUE(WaitKioskLaunched());
}
guest_view::TestGuestViewManagerFactory& factory() { return factory_; }
private:
ash::KioskMixin kiosk_{
&mixin_host_,
KioskMixin::Config(/*name=*/{},
KioskMixin::AutoLaunchAccount(PdfWebApp().account_id),
{PdfWebApp()})};
guest_view::TestGuestViewManagerFactory factory_;
};
IN_PROC_BROWSER_TEST_F(WebKioskGuestViewTest,
AddingMimeHandlerGuestViewDoesNotCrash) {
auto* web_contents = BrowserList::GetInstance()
->get(0)
->tab_strip_model()
->GetActiveWebContents();
ASSERT_TRUE(web_contents);
if (web_contents->IsLoading()) {
content::WaitForLoadStop(web_contents);
}
ASSERT_TRUE(OpenPdfInWebContents(web_contents));
auto* guest_view =
GetGuestViewManager(factory()).WaitForSingleGuestViewCreated();
ASSERT_NE(guest_view, nullptr);
ASSERT_NE(guest_view->web_contents(), nullptr);
EXPECT_EQ(nullptr, extensions::WebViewGuest::FromWebContents(
guest_view->web_contents()));
EXPECT_NO_FATAL_FAILURE(NotifyKioskGuestAdded(guest_view->web_contents()));
}
} // namespace ash
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