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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 "ui/base/clipboard/clipboard.h"
#include <memory>
#include "base/run_loop.h"
#include "base/strings/stringprintf.h"
#include "base/test/test_future.h"
#include "chrome/browser/enterprise/data_controls/desktop_data_controls_dialog.h"
#include "chrome/browser/enterprise/data_controls/desktop_data_controls_dialog_test_helper.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/browser/ui/views/frame/browser_view.h"
#include "chrome/test/base/in_process_browser_test.h"
#include "chrome/test/base/ui_test_utils.h"
#include "components/enterprise/data_controls/core/browser/features.h"
#include "components/enterprise/data_controls/core/browser/test_utils.h"
#include "content/public/test/browser_test.h"
#include "content/public/test/browser_test_utils.h"
#include "content/public/test/permissions_test_utils.h"
#include "net/dns/mock_host_resolver.h"
#include "ui/base/clipboard/scoped_clipboard_writer.h"
#include "ui/base/clipboard/test/test_clipboard.h"
#include "ui/base/data_transfer_policy/data_transfer_endpoint.h"
#include "ui/views/test/widget_activation_waiter.h"
namespace enterprise_data_protection {
namespace {
// Browser tests that test data protection integration with Chrome's clipboard
// logic. If a browser test you're adding is specific to a single
// function/class, consider using a browsertest.cc file specific to that code.
class DataProtectionClipboardBrowserTest : public InProcessBrowserTest {
public:
DataProtectionClipboardBrowserTest() = default;
void SetUpOnMainThread() override {
InProcessBrowserTest::SetUpOnMainThread();
host_resolver()->AddRule("*", "127.0.0.1");
ASSERT_TRUE(embedded_test_server()->Start());
ui::TestClipboard::CreateForCurrentThread();
}
void TearDownOnMainThread() override {
ui::TestClipboard::DestroyClipboardForCurrentThread();
InProcessBrowserTest::TearDownOnMainThread();
}
content::RenderFrameHost* rfh() {
return browser()
->tab_strip_model()
->GetActiveWebContents()
->GetPrimaryMainFrame();
}
GURL url() {
return embedded_test_server()->GetURL(
"/enterprise/data_protection/clipboard_test_page.html");
}
void FocusWebContents() {
#if BUILDFLAG(IS_MAC)
content::HandleMissingKeyWindow();
#endif
browser()->tab_strip_model()->GetActiveWebContents()->Focus();
views::test::WaitForWidgetActive(
BrowserView::GetBrowserViewForBrowser(browser())->GetWidget(), true);
}
void WriteTextToClipboard(const std::string& text) {
// Clear the clipboard before writing so that test cases where the write is
// blocked don't read whatever data happened to have been in the system
// clipboard at the time of the test running.
ui::Clipboard::GetForCurrentThread()->Clear(
ui::ClipboardBuffer::kCopyPaste);
FocusWebContents();
ASSERT_TRUE(content::ExecJs(
rfh(), base::StringPrintf("navigator.clipboard.writeText(\"%s\");",
text.c_str())));
base::RunLoop().RunUntilIdle();
}
void SetTextInClipboardAndWritePermission(const std::u16string& text) {
{
ui::ScopedClipboardWriter writer(ui::ClipboardBuffer::kCopyPaste);
writer.WriteText(text);
}
base::RunLoop().RunUntilIdle();
// This permission is required to use `readText()` without user input.
content::PermissionController* permission_controller =
rfh()->GetBrowserContext()->GetPermissionController();
SetPermissionControllerOverrideForDevTools(
permission_controller, url::Origin::Create(url()),
blink::PermissionType::CLIPBOARD_READ_WRITE,
blink::mojom::PermissionStatus::GRANTED);
base::RunLoop().RunUntilIdle();
}
};
} // namespace
IN_PROC_BROWSER_TEST_F(DataProtectionClipboardBrowserTest,
CopyBlockedByDataControls) {
data_controls::SetDataControls(browser()->profile()->GetPrefs(), {R"({
"sources": { "urls": ["*"] },
"restrictions": [
{"class": "CLIPBOARD", "level": "BLOCK"}
]
})"});
data_controls::DesktopDataControlsDialogTestHelper helper(
data_controls::DataControlsDialog::Type::kClipboardCopyBlock);
ASSERT_TRUE(ui_test_utils::NavigateToURL(browser(), url()));
WriteTextToClipboard("Blocked");
helper.WaitForDialogToInitialize();
// No data should be written into the clipboard while the dialog is present.
base::test::TestFuture<std::u16string> first_future;
ui::Clipboard::GetForCurrentThread()->ReadText(
ui::ClipboardBuffer::kCopyPaste, /*data_dst=*/nullptr,
first_future.GetCallback());
EXPECT_TRUE(first_future.Wait());
EXPECT_TRUE(first_future.Get().empty());
helper.CloseDialogWithoutBypass();
helper.WaitForDialogToClose();
// No data should be in the clipboard after closing the dialog since the
// verdict was "block".
base::test::TestFuture<std::u16string> second_future;
ui::Clipboard::GetForCurrentThread()->ReadText(
ui::ClipboardBuffer::kCopyPaste, /*data_dst=*/nullptr,
second_future.GetCallback());
EXPECT_TRUE(second_future.Wait());
EXPECT_TRUE(second_future.Get().empty());
}
IN_PROC_BROWSER_TEST_F(DataProtectionClipboardBrowserTest,
CopyWarnedByDataControls_Cancel) {
data_controls::SetDataControls(browser()->profile()->GetPrefs(), {R"({
"sources": { "urls": ["*"] },
"restrictions": [
{"class": "CLIPBOARD", "level": "WARN"}
]
})"});
data_controls::DesktopDataControlsDialogTestHelper helper(
data_controls::DataControlsDialog::Type::kClipboardCopyWarn);
ASSERT_TRUE(ui_test_utils::NavigateToURL(browser(), url()));
WriteTextToClipboard("Cancel");
helper.WaitForDialogToInitialize();
// No data should be written into the clipboard while the dialog is present.
base::test::TestFuture<std::u16string> first_future;
ui::Clipboard::GetForCurrentThread()->ReadText(
ui::ClipboardBuffer::kCopyPaste, /*data_dst=*/nullptr,
first_future.GetCallback());
EXPECT_TRUE(first_future.Wait());
EXPECT_TRUE(first_future.Get().empty());
helper.CloseDialogWithoutBypass();
helper.WaitForDialogToClose();
// No data should be in the clipboard after closing the dialog since it wasn't
// bypassed.
base::test::TestFuture<std::u16string> second_future;
ui::Clipboard::GetForCurrentThread()->ReadText(
ui::ClipboardBuffer::kCopyPaste, /*data_dst=*/nullptr,
second_future.GetCallback());
EXPECT_TRUE(second_future.Wait());
EXPECT_TRUE(second_future.Get().empty());
}
IN_PROC_BROWSER_TEST_F(DataProtectionClipboardBrowserTest,
CopyWarnedByDataControls_Bypass) {
data_controls::SetDataControls(browser()->profile()->GetPrefs(), {R"({
"sources": { "urls": ["*"] },
"restrictions": [
{"class": "CLIPBOARD", "level": "WARN"}
]
})"});
data_controls::DesktopDataControlsDialogTestHelper helper(
data_controls::DataControlsDialog::Type::kClipboardCopyWarn);
ASSERT_TRUE(ui_test_utils::NavigateToURL(browser(), url()));
WriteTextToClipboard("Bypassed");
helper.WaitForDialogToInitialize();
// No data should be written into the clipboard while the dialog is present.
base::test::TestFuture<std::u16string> first_future;
ui::Clipboard::GetForCurrentThread()->ReadText(
ui::ClipboardBuffer::kCopyPaste, /*data_dst=*/nullptr,
first_future.GetCallback());
EXPECT_TRUE(first_future.Wait());
EXPECT_TRUE(first_future.Get().empty());
helper.BypassWarning();
helper.WaitForDialogToClose();
base::RunLoop().RunUntilIdle();
// Data should be in the clipboard after closing the dialog since it was
// bypassed.
base::test::TestFuture<std::u16string> second_future;
ui::Clipboard::GetForCurrentThread()->ReadText(
ui::ClipboardBuffer::kCopyPaste, /*data_dst=*/nullptr,
second_future.GetCallback());
EXPECT_TRUE(second_future.Wait());
EXPECT_EQ(second_future.Get(), u"Bypassed");
}
IN_PROC_BROWSER_TEST_F(DataProtectionClipboardBrowserTest,
CopyAllowedByDataControls) {
data_controls::SetDataControls(browser()->profile()->GetPrefs(), {R"({
"sources": { "urls": ["google.com"] },
"restrictions": [
{"class": "CLIPBOARD", "level": "WARN"}
]
})"});
data_controls::DesktopDataControlsDialogTestHelper helper(
data_controls::DataControlsDialog::Type::kClipboardCopyWarn);
ASSERT_TRUE(ui_test_utils::NavigateToURL(browser(), url()));
WriteTextToClipboard("Allowed");
// No dialog should be present since the copy was allowed, and the data should
// be in the clipboard.
ASSERT_FALSE(helper.dialog());
base::test::TestFuture<std::u16string> future;
ui::Clipboard::GetForCurrentThread()->ReadText(
ui::ClipboardBuffer::kCopyPaste, /*data_dst=*/nullptr,
future.GetCallback());
EXPECT_TRUE(future.Wait());
EXPECT_EQ(future.Get(), u"Allowed");
}
IN_PROC_BROWSER_TEST_F(DataProtectionClipboardBrowserTest,
PasteBlockedByDataControls) {
data_controls::SetDataControls(browser()->profile()->GetPrefs(), {R"({
"destinations": { "urls": ["*"] },
"restrictions": [
{"class": "CLIPBOARD", "level": "BLOCK"}
]
})"});
data_controls::DesktopDataControlsDialogTestHelper helper(
data_controls::DataControlsDialog::Type::kClipboardPasteBlock);
ASSERT_TRUE(ui_test_utils::NavigateToURL(browser(), url()));
SetTextInClipboardAndWritePermission(u"Blocked");
// This is required because pasting fails if it's attempted by JS while the
// page is not focused.
FocusWebContents();
content::ExecuteScriptAsync(
rfh(), R"(var pasted_text = navigator.clipboard.readText();)");
helper.WaitForDialogToInitialize();
helper.CloseDialogWithoutBypass();
helper.WaitForDialogToClose();
// No data should have been read from the clipboard after closing the dialog
// since the verdict was "block".
EXPECT_EQ(content::EvalJs(rfh(), "pasted_text"), "");
}
IN_PROC_BROWSER_TEST_F(DataProtectionClipboardBrowserTest,
PasteWarnedByDataControls_Cancel) {
data_controls::SetDataControls(browser()->profile()->GetPrefs(), {R"({
"destinations": { "urls": ["*"] },
"restrictions": [
{"class": "CLIPBOARD", "level": "WARN"}
]
})"});
data_controls::DesktopDataControlsDialogTestHelper helper(
data_controls::DataControlsDialog::Type::kClipboardPasteWarn);
ASSERT_TRUE(ui_test_utils::NavigateToURL(browser(), url()));
SetTextInClipboardAndWritePermission(u"Warned_Cancel");
// This is required because pasting fails if it's attempted by JS while the
// page is not focused.
FocusWebContents();
content::ExecuteScriptAsync(
rfh(), R"(var pasted_text = navigator.clipboard.readText();)");
helper.WaitForDialogToInitialize();
helper.CloseDialogWithoutBypass();
helper.WaitForDialogToClose();
// No data should have been read from the clipboard after closing the dialog
// since the verdict was "block".
EXPECT_EQ(content::EvalJs(rfh(), "pasted_text"), "");
}
IN_PROC_BROWSER_TEST_F(DataProtectionClipboardBrowserTest,
PasteWarnedByDataControls_Bypass) {
data_controls::SetDataControls(browser()->profile()->GetPrefs(), {R"({
"destinations": { "urls": ["*"] },
"restrictions": [
{"class": "CLIPBOARD", "level": "WARN"}
]
})"});
data_controls::DesktopDataControlsDialogTestHelper helper(
data_controls::DataControlsDialog::Type::kClipboardPasteWarn);
ASSERT_TRUE(ui_test_utils::NavigateToURL(browser(), url()));
SetTextInClipboardAndWritePermission(u"Warned_Bypassed");
// This is required because pasting fails if it's attempted by JS while the
// page is not focused.
FocusWebContents();
content::ExecuteScriptAsync(
rfh(), R"(var pasted_text = navigator.clipboard.readText();)");
helper.WaitForDialogToInitialize();
helper.BypassWarning();
helper.WaitForDialogToClose();
// Data should be pasted in the page after closing the dialog since it was
// bypassed.
EXPECT_EQ(content::EvalJs(rfh(), "pasted_text"), "Warned_Bypassed");
}
IN_PROC_BROWSER_TEST_F(DataProtectionClipboardBrowserTest,
PasteAllowedByDataControls) {
data_controls::SetDataControls(browser()->profile()->GetPrefs(), {R"({
"destinations": { "urls": ["google.com"] },
"restrictions": [
{"class": "CLIPBOARD", "level": "BLOCK"}
]
})"});
data_controls::DesktopDataControlsDialogTestHelper helper(
data_controls::DataControlsDialog::Type::kClipboardPasteBlock);
ASSERT_TRUE(ui_test_utils::NavigateToURL(browser(), url()));
SetTextInClipboardAndWritePermission(u"Allowed");
// This is required because pasting fails if it's attempted by JS while the
// page is not focused.
FocusWebContents();
content::ExecuteScriptAsync(
rfh(), R"(var pasted_text = navigator.clipboard.readText();)");
ASSERT_FALSE(helper.dialog());
EXPECT_EQ(content::EvalJs(rfh(), "pasted_text"), "Allowed");
}
} // namespace enterprise_data_protection
|
