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chromium / experimental / chromium / src / lkgr-ios-internal / . / chrome / browser / pdf / pdf_extension_test.cc
blob: 515630f50a522e3ecf455fda2da868dfe55152e9 [file] [log] [blame]
// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <stddef.h>
#include <map>
#include <vector>
#include "base/base_paths.h"
#include "base/bind.h"
#include "base/files/file_enumerator.h"
#include "base/files/file_util.h"
#include "base/hash/hash.h"
#include "base/logging.h"
#include "base/macros.h"
#include "base/memory/ref_counted.h"
#include "base/path_service.h"
#include "base/run_loop.h"
#include "base/strings/pattern.h"
#include "base/strings/string_util.h"
#include "base/strings/stringprintf.h"
#include "base/strings/utf_string_conversions.h"
#include "base/synchronization/lock.h"
#include "base/test/bind.h"
#include "base/test/icu_test_util.h"
#include "base/test/metrics/histogram_tester.h"
#include "base/test/metrics/user_action_tester.h"
#include "base/test/test_timeouts.h"
#include "base/thread_annotations.h"
#include "base/threading/thread_restrictions.h"
#include "build/branding_buildflags.h"
#include "build/build_config.h"
#include "build/chromeos_buildflags.h"
#include "chrome/app/chrome_command_ids.h"
#include "chrome/browser/content_settings/host_content_settings_map_factory.h"
#include "chrome/browser/extensions/component_loader.h"
#include "chrome/browser/extensions/extension_apitest.h"
#include "chrome/browser/extensions/extension_service.h"
#include "chrome/browser/pdf/pdf_extension_test_util.h"
#include "chrome/browser/pdf/pdf_extension_util.h"
#include "chrome/browser/plugins/plugin_prefs.h"
#include "chrome/browser/plugins/plugin_test_utils.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/renderer_context_menu/render_view_context_menu_browsertest_util.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/browser/ui/browser_finder.h"
#include "chrome/browser/ui/tabs/tab_strip_model.h"
#include "chrome/common/chrome_content_client.h"
#include "chrome/common/chrome_paths.h"
#include "chrome/common/chrome_switches.h"
#include "chrome/common/pref_names.h"
#include "chrome/common/webui_url_constants.h"
#include "chrome/test/base/ui_test_utils.h"
#include "components/content_settings/core/browser/host_content_settings_map.h"
#include "components/download/public/common/download_item.h"
#include "components/guest_view/browser/guest_view_manager.h"
#include "components/guest_view/browser/guest_view_manager_delegate.h"
#include "components/guest_view/browser/test_guest_view_manager.h"
#include "components/metrics/content/subprocess_metrics_provider.h"
#include "components/viz/common/features.h"
#include "components/zoom/page_zoom.h"
#include "components/zoom/test/zoom_test_utils.h"
#include "components/zoom/zoom_controller.h"
#include "content/public/browser/ax_inspect_factory.h"
#include "content/public/browser/browser_accessibility_state.h"
#include "content/public/browser/browser_plugin_guest_manager.h"
#include "content/public/browser/browser_task_traits.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/download_manager.h"
#include "content/public/browser/plugin_service.h"
#include "content/public/browser/render_frame_host.h"
#include "content/public/browser/render_process_host.h"
#include "content/public/browser/render_widget_host.h"
#include "content/public/browser/render_widget_host_view.h"
#include "content/public/browser/web_contents.h"
#include "content/public/common/content_features.h"
#include "content/public/common/content_switches.h"
#include "content/public/common/url_constants.h"
#include "content/public/test/accessibility_notification_waiter.h"
#include "content/public/test/browser_test.h"
#include "content/public/test/browser_test_utils.h"
#include "content/public/test/dump_accessibility_test_helper.h"
#include "content/public/test/hit_test_region_observer.h"
#include "content/public/test/test_navigation_observer.h"
#include "content/public/test/url_loader_interceptor.h"
#include "extensions/browser/api/extensions_api_client.h"
#include "extensions/browser/extension_registry.h"
#include "extensions/common/manifest_handlers/mime_types_handler.h"
#include "extensions/test/result_catcher.h"
#include "net/dns/mock_host_resolver.h"
#include "net/test/embedded_test_server/embedded_test_server.h"
#include "pdf/pdf_features.h"
#include "services/network/public/cpp/features.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "third_party/blink/public/common/context_menu_data/untrustworthy_context_menu_params.h"
#include "third_party/blink/public/mojom/context_menu/context_menu.mojom.h"
#include "ui/accessibility/ax_action_data.h"
#include "ui/accessibility/ax_enum_util.h"
#include "ui/accessibility/ax_enums.mojom.h"
#include "ui/accessibility/ax_node.h"
#include "ui/accessibility/ax_tree.h"
#include "ui/accessibility/platform/ax_platform_node_delegate_base.h"
#include "ui/base/clipboard/clipboard.h"
#include "ui/base/clipboard/clipboard_monitor.h"
#include "ui/base/clipboard/clipboard_observer.h"
#include "ui/base/clipboard/test/test_clipboard.h"
#include "ui/base/resource/resource_bundle.h"
#include "ui/gfx/geometry/point.h"
#include "url/gurl.h"
#if defined(TOOLKIT_VIEWS) && !defined(OS_MAC)
#include "chrome/browser/ui/views/location_bar/zoom_bubble_view.h"
#endif
#if defined(TOOLKIT_VIEWS) && defined(USE_AURA)
#include "ui/events/base_event_utils.h"
#include "ui/events/event.h"
#include "ui/events/gesture_event_details.h"
#include "ui/events/types/event_type.h"
#include "ui/views/touchui/touch_selection_menu_views.h"
#include "ui/views/widget/any_widget_observer.h"
#endif // defined(TOOLKIT_VIEWS) && defined(USE_AURA)
using content::AXInspectFactory;
using content::WebContents;
using extensions::ExtensionsAPIClient;
using guest_view::GuestViewManager;
using guest_view::TestGuestViewManager;
using guest_view::TestGuestViewManagerFactory;
using ui::AXTreeFormatter;
namespace {
const int kNumberLoadTestParts = 10;
#if defined(OS_MAC)
const int kDefaultKeyModifier = blink::WebInputEvent::kMetaKey;
#else
const int kDefaultKeyModifier = blink::WebInputEvent::kControlKey;
#endif
// Calling PluginService::GetPlugins ensures that LoadPlugins is called
// internally. This is an asynchronous task and this method uses a run loop to
// wait for the loading task to complete.
void WaitForPluginServiceToLoad() {
base::RunLoop run_loop;
content::PluginService::GetPluginsCallback callback = base::BindOnce(
[](base::RepeatingClosure quit,
const std::vector<content::WebPluginInfo>& unused) { quit.Run(); },
run_loop.QuitClosure());
content::PluginService::GetInstance()->GetPlugins(std::move(callback));
run_loop.Run();
}
void WaitForLoadStart(content::WebContents* web_contents) {
while (!web_contents->IsLoading() &&
!web_contents->GetController().GetLastCommittedEntry()) {
base::RunLoop run_loop;
base::ThreadTaskRunnerHandle::Get()->PostDelayedTask(
FROM_HERE, run_loop.QuitClosure(), TestTimeouts::tiny_timeout());
run_loop.Run();
}
}
} // namespace
// Check if the |actual| string matches the string or the string pattern in
// |pattern| and print a readable message if it does not match.
#define ASSERT_MULTILINE_STR_MATCHES(pattern, actual) \
ASSERT_TRUE(base::MatchPattern(actual, pattern)) \
<< "Expected match pattern:\n" \
<< pattern << "\n\nActual:\n" \
<< actual
bool GetGuestCallback(WebContents** guest_out, WebContents* guest) {
EXPECT_FALSE(*guest_out);
*guest_out = guest;
// Return false so that we iterate through all the guests and verify there is
// only one.
return false;
}
class PDFExtensionTest : public extensions::ExtensionApiTest {
public:
~PDFExtensionTest() override {}
void SetUpCommandLine(base::CommandLine* command_line) override {
content::IsolateAllSitesForTesting(command_line);
feature_list_.InitWithFeatures(GetEnabledFeatures(), GetDisabledFeatures());
}
void SetUpOnMainThread() override {
extensions::ExtensionApiTest::SetUpOnMainThread();
host_resolver()->AddRule("*", "127.0.0.1");
ASSERT_TRUE(embedded_test_server()->InitializeAndListen());
content::SetupCrossSiteRedirector(embedded_test_server());
embedded_test_server()->StartAcceptingConnections();
}
void TearDownOnMainThread() override {
ASSERT_TRUE(embedded_test_server()->ShutdownAndWaitUntilComplete());
extensions::ExtensionApiTest::TearDownOnMainThread();
}
// Serve paths prefixed with _test_resources/ from chrome/test/data.
base::FilePath GetTestResourcesParentDir() override {
base::FilePath test_root_path;
base::PathService::Get(chrome::DIR_TEST_DATA, &test_root_path);
return test_root_path;
}
bool PdfIsExpectedToLoad(const std::string& pdf_file) {
const char* const kFailingPdfs[] = {
"pdf_private/accessibility_crash_1.pdf",
"pdf_private/cfuzz5.pdf",
"pdf_private/js.pdf",
"pdf_private/segv-ecx.pdf",
"pdf_private/tests.pdf",
};
for (const char* failing_pdf : kFailingPdfs) {
if (failing_pdf == pdf_file)
return false;
}
return true;
}
// Load the PDF at the given URL and ensure it has finished loading. Return
// true if it loads successfully or false if it fails. If it doesn't finish
// loading the test will hang. This is done from outside of the BrowserPlugin
// guest to ensure sending messages to/from the plugin works correctly from
// there, since the PDFScriptingAPI relies on doing this as well.
testing::AssertionResult LoadPdf(const GURL& url) {
ui_test_utils::NavigateToURL(browser(), url);
WebContents* web_contents = GetActiveWebContents();
return pdf_extension_test_util::EnsurePDFHasLoaded(web_contents);
}
// Same as LoadPDF(), but loads into a new tab.
testing::AssertionResult LoadPdfInNewTab(const GURL& url) {
ui_test_utils::NavigateToURLWithDisposition(
browser(), url, WindowOpenDisposition::NEW_FOREGROUND_TAB,
ui_test_utils::BROWSER_TEST_WAIT_FOR_LOAD_STOP);
WebContents* web_contents = GetActiveWebContents();
return pdf_extension_test_util::EnsurePDFHasLoaded(web_contents);
}
// Same as LoadPdf(), but also returns a pointer to the guest WebContents for
// the loaded PDF. Returns nullptr if the load fails.
WebContents* LoadPdfGetGuestContents(const GURL& url) {
return LoadPdfGetGuestContentsHelper(url, /*new_tab=*/false);
}
// Same as LoadPdf(), but also returns a pointer to the guest WebContents for
// the loaded PDF in a new tab. Returns nullptr if the load fails.
WebContents* LoadPdfInNewTabGetGuestContents(const GURL& url) {
return LoadPdfGetGuestContentsHelper(url, /*new_tab=*/true);
}
// Load all the PDFs contained in chrome/test/data/<dir_name>. This only runs
// the test if base::PersistentHash(filename) mod kNumberLoadTestParts == k in
// order to shard the files evenly across values of k in [0,
// kNumberLoadTestParts).
void LoadAllPdfsTest(const std::string& dir_name, size_t k) {
base::ScopedAllowBlockingForTesting allow_blocking;
base::FilePath test_data_dir;
ASSERT_TRUE(base::PathService::Get(chrome::DIR_TEST_DATA, &test_data_dir));
base::FileEnumerator file_enumerator(test_data_dir.AppendASCII(dir_name),
false, base::FileEnumerator::FILES,
FILE_PATH_LITERAL("*.pdf"));
size_t count = 0;
for (base::FilePath file_path = file_enumerator.Next(); !file_path.empty();
file_path = file_enumerator.Next()) {
std::string filename = file_path.BaseName().MaybeAsASCII();
ASSERT_FALSE(filename.empty());
std::string pdf_file = dir_name + "/" + filename;
SCOPED_TRACE(pdf_file);
if (base::PersistentHash(filename) % kNumberLoadTestParts == k) {
LOG(INFO) << "Loading: " << pdf_file;
testing::AssertionResult success =
LoadPdf(embedded_test_server()->GetURL("/" + pdf_file));
if (pdf_file == "pdf_private/cfuzz5.pdf")
continue;
EXPECT_EQ(PdfIsExpectedToLoad(pdf_file), success) << pdf_file;
}
++count;
}
// Assume that there is at least 1 pdf in the directory to guard against
// someone deleting the directory and silently making the test pass.
ASSERT_GE(count, 1u);
}
void TestGetSelectedTextReply(GURL url, bool expect_success) {
ASSERT_TRUE(LoadPdf(url));
// Reach into the guest and hook into it such that it posts back a 'flush'
// message after every getSelectedTextReply message sent.
WebContents* web_contents = GetActiveWebContents();
content::BrowserPluginGuestManager* guest_manager =
web_contents->GetBrowserContext()->GetGuestManager();
WebContents* guest_contents = nullptr;
ASSERT_NO_FATAL_FAILURE(guest_manager->ForEachGuest(
web_contents, base::BindRepeating(&GetGuestCallback, &guest_contents)));
ASSERT_TRUE(guest_contents);
ASSERT_TRUE(content::ExecuteScript(
guest_contents, "viewer.overrideSendScriptingMessageForTest();"));
// Add an event listener for flush messages and request the selected text.
// If we get a flush message without receiving getSelectedText we know that
// the message didn't come through.
bool success = false;
ASSERT_TRUE(content::ExecuteScriptAndExtractBool(
web_contents,
"window.addEventListener('message', function(event) {"
" if (event.data == 'flush')"
" window.domAutomationController.send(false);"
" if (event.data.type == 'getSelectedTextReply')"
" window.domAutomationController.send(true);"
"});"
"document.getElementsByTagName('embed')[0].postMessage("
" {type: 'getSelectedText'});",
&success));
ASSERT_EQ(expect_success, success);
}
void ConvertPageCoordToScreenCoord(WebContents* contents, gfx::Point* point) {
ASSERT_TRUE(contents);
ASSERT_TRUE(content::ExecuteScript(
contents,
"var visiblePage = viewer.viewport.getMostVisiblePage();"
"var visiblePageDimensions ="
" viewer.viewport.getPageScreenRect(visiblePage);"
"var viewportPosition = viewer.viewport.position;"
"var offsetParent = viewer.shadowRoot.querySelector('#container');"
"var scrollParent = viewer.shadowRoot.querySelector('#main');"
"var screenOffsetX = visiblePageDimensions.x - viewportPosition.x +"
" scrollParent.offsetLeft + offsetParent.offsetLeft;"
"var screenOffsetY = visiblePageDimensions.y - viewportPosition.y +"
" scrollParent.offsetTop + offsetParent.offsetTop;"
"var linkScreenPositionX ="
" Math.floor(" +
base::NumberToString(point->x()) +
" * viewer.viewport.internalZoom_" +
" + screenOffsetX);"
"var linkScreenPositionY ="
" Math.floor(" +
base::NumberToString(point->y()) +
" * viewer.viewport.internalZoom_" +
" +"
" screenOffsetY);"));
int x;
ASSERT_TRUE(content::ExecuteScriptAndExtractInt(
contents,
"window.domAutomationController.send(linkScreenPositionX);",
&x));
int y;
ASSERT_TRUE(content::ExecuteScriptAndExtractInt(
contents,
"window.domAutomationController.send(linkScreenPositionY);",
&y));
point->SetPoint(x, y);
}
WebContents* GetActiveWebContents() {
return browser()->tab_strip_model()->GetActiveWebContents();
}
int CountPDFProcesses() {
int result = -1;
base::RunLoop run_loop;
content::GetIOThreadTaskRunner({})->PostTaskAndReply(
FROM_HERE,
base::BindOnce(&PDFExtensionTest::CountPDFProcessesOnIOThread,
base::Unretained(this), base::Unretained(&result)),
run_loop.QuitClosure());
run_loop.Run();
return result;
}
void CountPDFProcessesOnIOThread(int* result) {
auto* service = content::PluginService::GetInstance();
*result = service->CountPpapiPluginProcessesForProfile(
base::FilePath(ChromeContentClient::kPDFPluginPath),
browser()->profile()->GetPath());
}
protected:
// Hooks to set up feature flags.
virtual const std::vector<base::Feature> GetEnabledFeatures() const {
std::vector<base::Feature> enabled;
if (ShouldEnablePdfViewerPresentationMode()) {
enabled.push_back(chrome_pdf::features::kPdfViewerPresentationMode);
}
if (ShouldEnablePdfViewerDocumentProperties()) {
enabled.push_back(chrome_pdf::features::kPdfViewerDocumentProperties);
}
return enabled;
}
virtual const std::vector<base::Feature> GetDisabledFeatures() const {
std::vector<base::Feature> disabled;
if (!ShouldEnablePdfViewerPresentationMode()) {
disabled.push_back(chrome_pdf::features::kPdfViewerPresentationMode);
}
if (!ShouldEnablePdfViewerDocumentProperties()) {
disabled.push_back(chrome_pdf::features::kPdfViewerDocumentProperties);
}
return disabled;
}
// Hook to set up whether the PdfViewerPresentationMode feature is enabled.
virtual bool ShouldEnablePdfViewerPresentationMode() const { return false; }
// Hook to set up whether the PdfViewerDocumentProperties feature is enabled.
virtual bool ShouldEnablePdfViewerDocumentProperties() const { return false; }
private:
WebContents* LoadPdfGetGuestContentsHelper(const GURL& url, bool new_tab) {
if (new_tab) {
if (!LoadPdfInNewTab(url))
return nullptr;
} else if (!LoadPdf(url)) {
return nullptr;
}
WebContents* contents = GetActiveWebContents();
content::BrowserPluginGuestManager* guest_manager =
contents->GetBrowserContext()->GetGuestManager();
WebContents* guest_contents = guest_manager->GetFullPageGuest(contents);
return guest_contents;
}
base::test::ScopedFeatureList feature_list_;
};
class PDFExtensionTestWithTestGuestViewManager : public PDFExtensionTest {
public:
PDFExtensionTestWithTestGuestViewManager() {
GuestViewManager::set_factory_for_testing(&factory_);
}
protected:
TestGuestViewManager* GetGuestViewManager() {
// TODO(wjmaclean): Re-implement FromBrowserContext in the
// TestGuestViewManager class to avoid all callers needing this cast.
auto* manager = static_cast<TestGuestViewManager*>(
TestGuestViewManager::FromBrowserContext(browser()->profile()));
// TestGuestViewManager::WaitForSingleGuestCreated can and will get called
// before a guest is created. Since GuestViewManager is usually not created
// until the first guest is created, this means that |manager| will be
// nullptr if trying to use the manager to wait for the first guest. Because
// of this, the manager must be created here if it does not already exist.
if (!manager) {
manager = static_cast<TestGuestViewManager*>(
GuestViewManager::CreateWithDelegate(
browser()->profile(),
ExtensionsAPIClient::Get()->CreateGuestViewManagerDelegate(
browser()->profile())));
}
return manager;
}
private:
TestGuestViewManagerFactory factory_;
};
// This test is a re-implementation of
// WebPluginContainerTest.PluginDocumentPluginIsFocused, which was introduced
// for https://crbug.com/536637. The original implementation checked that the
// BrowserPlugin hosting the pdf extension was focused; in this re-write, we
// make sure the guest view's WebContents has focus.
IN_PROC_BROWSER_TEST_F(PDFExtensionTestWithTestGuestViewManager,
PdfInMainFrameHasFocus) {
// Load test HTML, and verify the text area has focus.
GURL main_url(embedded_test_server()->GetURL("/pdf/test.pdf"));
ui_test_utils::NavigateToURL(browser(), main_url);
auto* embedder_web_contents = GetActiveWebContents();
// Verify the pdf has loaded.
auto* guest_web_contents = GetGuestViewManager()->WaitForSingleGuestCreated();
ASSERT_TRUE(guest_web_contents);
EXPECT_NE(embedder_web_contents, guest_web_contents);
WaitForLoadStart(guest_web_contents);
EXPECT_TRUE(content::WaitForLoadStop(guest_web_contents));
// Make sure the guest WebContents has focus.
EXPECT_EQ(guest_web_contents,
content::GetFocusedWebContents(embedder_web_contents));
}
// This test verifies that when a PDF is loaded, that (i) the embedder
// WebContents' html consists of a single <embed> tag with appropriate
// properties, and (ii) that the guest WebContents finishes loading and
// has the correct URL for the PDF extension.
// TODO(wjmaclean): Are there any attributes we can/should test with respect to
// the extension's loaded html?
IN_PROC_BROWSER_TEST_F(PDFExtensionTestWithTestGuestViewManager,
PdfExtensionLoadedInGuest) {
// Load test HTML, and verify the text area has focus.
GURL main_url(embedded_test_server()->GetURL("/pdf/test.pdf"));
ui_test_utils::NavigateToURL(browser(), main_url);
auto* embedder_web_contents = GetActiveWebContents();
// Verify the pdf has loaded.
auto* guest_web_contents = GetGuestViewManager()->WaitForSingleGuestCreated();
ASSERT_TRUE(guest_web_contents);
EXPECT_NE(embedder_web_contents, guest_web_contents);
WaitForLoadStart(guest_web_contents);
EXPECT_TRUE(content::WaitForLoadStop(guest_web_contents));
// Verify we loaded the extension.
const GURL extension_url(
"chrome-extension://mhjfbmdgcfjbbpaeojofohoefgiehjai/index.html");
EXPECT_EQ(extension_url, guest_web_contents->GetURL());
EXPECT_EQ(main_url, embedder_web_contents->GetURL());
// Make sure the embedder has the correct html boilerplate.
EXPECT_EQ(1, content::EvalJs(embedder_web_contents,
"document.body.children.length;")
.ExtractInt());
EXPECT_EQ("EMBED", content::EvalJs(embedder_web_contents,
"document.body.firstChild.tagName;")
.ExtractString());
EXPECT_EQ("application/pdf", content::EvalJs(embedder_web_contents,
"document.body.firstChild.type;")
.ExtractString());
EXPECT_EQ("about:blank", content::EvalJs(embedder_web_contents,
"document.body.firstChild.src;")
.ExtractString());
EXPECT_TRUE(
content::EvalJs(embedder_web_contents,
"document.body.firstChild.hasAttribute('internalid');")
.ExtractBool());
}
// This test verifies that when a PDF is served with a restrictive
// Content-Security-Policy, the embed tag is still sized correctly.
// Regression test for https://crbug.com/271452.
IN_PROC_BROWSER_TEST_F(PDFExtensionTestWithTestGuestViewManager,
CSPDoesNotBlockEmbedStyles) {
GURL main_url(embedded_test_server()->GetURL("/pdf/test-csp.pdf"));
ui_test_utils::NavigateToURL(browser(), main_url);
auto* embedder_web_contents = GetActiveWebContents();
ASSERT_TRUE(embedder_web_contents);
// Verify the pdf has loaded.
auto* guest_web_contents = GetGuestViewManager()->WaitForSingleGuestCreated();
ASSERT_TRUE(guest_web_contents);
EXPECT_NE(embedder_web_contents, guest_web_contents);
WaitForLoadStart(guest_web_contents);
EXPECT_TRUE(content::WaitForLoadStop(guest_web_contents));
// Verify the extension was loaded.
const GURL extension_url(
"chrome-extension://mhjfbmdgcfjbbpaeojofohoefgiehjai/index.html");
EXPECT_EQ(extension_url, guest_web_contents->GetURL());
EXPECT_EQ(main_url, embedder_web_contents->GetURL());
// Verify that the plugin occupies all of the page area.
const gfx::Rect embedder_rect = embedder_web_contents->GetContainerBounds();
const gfx::Rect guest_rect = guest_web_contents->GetContainerBounds();
EXPECT_EQ(embedder_rect, guest_rect);
}
// This test verifies that when a PDF is served with
// Content-Security-Policy: sandbox, this is ignored and the PDF is displayed.
// Regression test for https://crbug.com/1187122.
IN_PROC_BROWSER_TEST_F(PDFExtensionTestWithTestGuestViewManager,
CSPWithSandboxDoesNotBlockPDF) {
GURL main_url(embedded_test_server()->GetURL("/pdf/test-csp-sandbox.pdf"));
ui_test_utils::NavigateToURL(browser(), main_url);
auto* embedder_web_contents = GetActiveWebContents();
ASSERT_TRUE(embedder_web_contents);
// Verify the pdf has loaded.
auto* guest_web_contents = GetGuestViewManager()->WaitForSingleGuestCreated();
ASSERT_TRUE(guest_web_contents);
EXPECT_NE(embedder_web_contents, guest_web_contents);
WaitForLoadStart(guest_web_contents);
EXPECT_TRUE(content::WaitForLoadStop(guest_web_contents));
// Verify the extension was loaded.
const GURL extension_url(
"chrome-extension://mhjfbmdgcfjbbpaeojofohoefgiehjai/index.html");
EXPECT_EQ(extension_url, guest_web_contents->GetURL());
EXPECT_EQ(main_url, embedder_web_contents->GetURL());
}
// This test verifies that Content-Security-Policy's frame-ancestors 'none'
// directive is effective on a PDF response.
// Regression test for https://crbug.com/1107535.
IN_PROC_BROWSER_TEST_F(PDFExtensionTestWithTestGuestViewManager,
CSPFrameAncestorsCanBlockEmbedding) {
WebContents* web_contents = GetActiveWebContents();
content::WebContentsConsoleObserver console_observer(web_contents);
console_observer.SetPattern(
"*because an ancestor violates the following Content Security Policy "
"directive: \"frame-ancestors 'none'*");
GURL main_url(embedded_test_server()->GetURL(
"/pdf/frame-test-csp-frame-ancestors-none.html"));
ui_test_utils::NavigateToURL(browser(), main_url);
console_observer.Wait();
// Didn't launch a PPAPI process.
EXPECT_EQ(0, CountPDFProcesses());
}
// This test verifies that Content-Security-Policy's frame-ancestors directive
// overrides an X-Frame-Options header on a PDF response.
// Regression test for https://crbug.com/1107535.
IN_PROC_BROWSER_TEST_F(PDFExtensionTestWithTestGuestViewManager,
CSPFrameAncestorsOverridesXFrameOptions) {
GURL main_url(
embedded_test_server()->GetURL("/pdf/frame-test-csp-and-xfo.html"));
ui_test_utils::NavigateToURL(browser(), main_url);
auto* embedder_web_contents = GetActiveWebContents();
ASSERT_TRUE(embedder_web_contents);
// Verify the pdf has loaded.
auto* guest_web_contents = GetGuestViewManager()->WaitForSingleGuestCreated();
ASSERT_TRUE(guest_web_contents);
EXPECT_NE(embedder_web_contents, guest_web_contents);
WaitForLoadStart(guest_web_contents);
EXPECT_TRUE(content::WaitForLoadStop(guest_web_contents));
// Verify the extension was loaded.
const GURL extension_url(
"chrome-extension://mhjfbmdgcfjbbpaeojofohoefgiehjai/index.html");
EXPECT_EQ(extension_url, guest_web_contents->GetURL());
EXPECT_EQ(main_url, embedder_web_contents->GetURL());
}
class PDFExtensionLoadTest : public PDFExtensionTest,
public testing::WithParamInterface<int> {
public:
PDFExtensionLoadTest() = default;
};
// Disabled because it's flaky.
// See the issue for details: https://crbug.com/826055.
#if defined(MEMORY_SANITIZER) || defined(LEAK_SANITIZER) || \
defined(ADDRESS_SANITIZER)
#define MAYBE_Load DISABLED_Load
#else
#define MAYBE_Load Load
#endif
IN_PROC_BROWSER_TEST_P(PDFExtensionLoadTest, MAYBE_Load) {
#if BUILDFLAG(GOOGLE_CHROME_BRANDING)
// Load private PDFs.
LoadAllPdfsTest("pdf_private", GetParam());
#endif
// Load public PDFs.
LoadAllPdfsTest("pdf", GetParam());
}
// We break PDFExtensionLoadTest up into kNumberLoadTestParts.
INSTANTIATE_TEST_SUITE_P(PDFTestFiles,
PDFExtensionLoadTest,
testing::Range(0, kNumberLoadTestParts));
class DownloadAwaiter : public content::DownloadManager::Observer {
public:
DownloadAwaiter() {}
~DownloadAwaiter() override {}
const GURL& GetLastUrl() {
// Wait until the download has been created.
download_run_loop_.Run();
return last_url_;
}
// content::DownloadManager::Observer implementation.
void OnDownloadCreated(content::DownloadManager* manager,
download::DownloadItem* item) override {
last_url_ = item->GetURL();
download_run_loop_.Quit();
}
private:
base::RunLoop download_run_loop_;
GURL last_url_;
};
// Tests behavior when the PDF plugin is disabled in preferences.
class PDFPluginDisabledTest : public PDFExtensionTest {
public:
PDFPluginDisabledTest() {}
protected:
void SetUpCommandLine(base::CommandLine* command_line) override {
PDFExtensionTest::SetUpCommandLine(command_line);
command_line->AppendSwitch(switches::kEnablePluginPlaceholderTesting);
}
void SetUpOnMainThread() override {
PDFExtensionTest::SetUpOnMainThread();
content::BrowserContext* browser_context =
GetActiveWebContents()->GetBrowserContext();
Profile* profile = Profile::FromBrowserContext(browser_context);
profile->GetPrefs()->SetBoolean(prefs::kPluginsAlwaysOpenPdfExternally,
true);
content::DownloadManager* download_manager =
content::BrowserContext::GetDownloadManager(browser_context);
download_awaiter_ = std::make_unique<DownloadAwaiter>();
download_manager->AddObserver(download_awaiter_.get());
}
void TearDownOnMainThread() override {
content::BrowserContext* browser_context =
GetActiveWebContents()->GetBrowserContext();
content::DownloadManager* download_manager =
content::BrowserContext::GetDownloadManager(browser_context);
download_manager->RemoveObserver(download_awaiter_.get());
// Cancel all downloads to shut down cleanly.
std::vector<download::DownloadItem*> downloads;
download_manager->GetAllDownloads(&downloads);
for (auto* item : downloads) {
item->Cancel(false);
}
PDFExtensionTest::TearDownOnMainThread();
}
void ClickOpenButtonInIframe() {
int iframes_found = 0;
for (auto* host : GetActiveWebContents()->GetAllFrames()) {
if (host != GetActiveWebContents()->GetMainFrame()) {
ASSERT_TRUE(content::ExecJs(
host, "document.getElementById('open-button').click();"));
++iframes_found;
}
}
ASSERT_EQ(1, iframes_found);
}
void ValidateSingleSuccessfulDownloadAndNoPDFPluginLaunch() {
// Validate that we downloaded a single PDF and didn't launch the PDF
// plugin.
GURL pdf_url(embedded_test_server()->GetURL("/pdf/test.pdf"));
EXPECT_EQ(pdf_url, AwaitAndGetLastDownloadedUrl());
EXPECT_EQ(1u, GetNumberOfDownloads());
EXPECT_EQ(0, CountPDFProcesses());
}
private:
size_t GetNumberOfDownloads() {
content::BrowserContext* browser_context =
GetActiveWebContents()->GetBrowserContext();
content::DownloadManager* download_manager =
content::BrowserContext::GetDownloadManager(browser_context);
std::vector<download::DownloadItem*> downloads;
download_manager->GetAllDownloads(&downloads);
return downloads.size();
}
const GURL& AwaitAndGetLastDownloadedUrl() {
return download_awaiter_->GetLastUrl();
}
std::unique_ptr<DownloadAwaiter> download_awaiter_;
};
IN_PROC_BROWSER_TEST_F(PDFPluginDisabledTest, DirectNavigationToPDF) {
// Navigate to a PDF and test that it is downloaded.
GURL pdf_url(embedded_test_server()->GetURL("/pdf/test.pdf"));
ui_test_utils::NavigateToURL(browser(), pdf_url);
ValidateSingleSuccessfulDownloadAndNoPDFPluginLaunch();
}
IN_PROC_BROWSER_TEST_F(PDFPluginDisabledTest, EmbedPdfPlaceholderWithCSP) {
// Navigate to a page with CSP that uses <embed> to embed a PDF as a plugin.
GURL embed_page_url =
embedded_test_server()->GetURL("/pdf/pdf_embed_csp.html");
ui_test_utils::NavigateToURL(browser(), embed_page_url);
PluginTestUtils::WaitForPlaceholderReady(GetActiveWebContents(), "pdf_embed");
// Fake a click on the <embed>, then press Enter to trigger the download.
gfx::Point point_in_pdf(100, 100);
content::SimulateMouseClickAt(GetActiveWebContents(), kDefaultKeyModifier,
blink::WebMouseEvent::Button::kLeft,
point_in_pdf);
content::SimulateKeyPress(GetActiveWebContents(), ui::DomKey::ENTER,
ui::DomCode::ENTER, ui::VKEY_RETURN, false, false,
false, false);
ValidateSingleSuccessfulDownloadAndNoPDFPluginLaunch();
}
IN_PROC_BROWSER_TEST_F(PDFPluginDisabledTest, IframePdfPlaceholderWithCSP) {
// Navigate to a page that uses <iframe> to embed a PDF as a plugin.
GURL iframe_page_url =
embedded_test_server()->GetURL("/pdf/pdf_iframe_csp.html");
ui_test_utils::NavigateToURL(browser(), iframe_page_url);
ClickOpenButtonInIframe();
ValidateSingleSuccessfulDownloadAndNoPDFPluginLaunch();
}
IN_PROC_BROWSER_TEST_F(PDFPluginDisabledTest,
IframePlaceholderInjectedIntoNewWindow) {
// This is an unusual test to verify crbug.com/924823. We are injecting the
// HTML for a PDF IFRAME into a newly created popup with an undefined URL.
ASSERT_TRUE(
content::EvalJs(
GetActiveWebContents(),
content::JsReplace(
"new Promise((resolve) => {"
" var popup = window.open();"
" popup.document.writeln("
" '<iframe id=\"pdf_iframe\" src=\"' + $1 + '\"></iframe>');"
" var iframe = popup.document.getElementById('pdf_iframe');"
" iframe.onload = () => resolve(true);"
"});",
embedded_test_server()->GetURL("/pdf/test.pdf").spec()))
.ExtractBool());
ClickOpenButtonInIframe();
ValidateSingleSuccessfulDownloadAndNoPDFPluginLaunch();
}
class PDFExtensionJSTestBase : public PDFExtensionTest {
public:
~PDFExtensionJSTestBase() override = default;
protected:
void RunTestsInJsModule(const std::string& filename,
const std::string& pdf_filename) {
RunTestsInJsModuleHelper(filename, pdf_filename, /*new_tab=*/false);
}
void RunTestsInJsModuleNewTab(const std::string& filename,
const std::string& pdf_filename) {
RunTestsInJsModuleHelper(filename, pdf_filename, /*new_tab=*/true);
}
private:
// Runs the extensions test at chrome/test/data/pdf/<filename> on the PDF file
// at chrome/test/data/pdf/<pdf_filename>, where |filename| is loaded as a JS
// module.
void RunTestsInJsModuleHelper(const std::string& filename,
const std::string& pdf_filename,
bool new_tab) {
extensions::ResultCatcher catcher;
GURL url(embedded_test_server()->GetURL("/pdf/" + pdf_filename));
// It should be good enough to just navigate to the URL. But loading up the
// BrowserPluginGuest seems to happen asynchronously as there was flakiness
// being seen due to the BrowserPluginGuest not being available yet (see
// crbug.com/498077). So instead use LoadPdf() which ensures that the PDF is
// loaded before continuing.
WebContents* guest_contents = new_tab ? LoadPdfInNewTabGetGuestContents(url)
: LoadPdfGetGuestContents(url);
ASSERT_TRUE(guest_contents);
constexpr char kModuleLoaderTemplate[] =
R"(var s = document.createElement('script');
s.type = 'module';
s.src = '_test_resources/pdf/%s';
document.body.appendChild(s);)";
ASSERT_TRUE(content::ExecuteScript(
guest_contents,
base::StringPrintf(kModuleLoaderTemplate, filename.c_str())));
if (!catcher.GetNextResult())
FAIL() << catcher.message();
}
};
class PDFExtensionDocumentPropertiesEnabledTest
: public PDFExtensionJSTestBase {
public:
~PDFExtensionDocumentPropertiesEnabledTest() override = default;
protected:
bool ShouldEnablePdfViewerDocumentProperties() const override { return true; }
};
IN_PROC_BROWSER_TEST_F(PDFExtensionDocumentPropertiesEnabledTest,
ViewerPropertiesDialog) {
// The properties dialog formats some values based on locale.
base::test::ScopedRestoreICUDefaultLocale scoped_locale{"en_US"};
base::test::ScopedRestoreDefaultTimezone
scoped_timezone{"America/Los_Angeles"};
RunTestsInJsModule("viewer_properties_dialog_test.js", "document_info.pdf");
}
class PDFExtensionPresentationModeEnabledTest : public PDFExtensionJSTestBase {
public:
~PDFExtensionPresentationModeEnabledTest() override = default;
protected:
bool ShouldEnablePdfViewerPresentationMode() const override { return true; }
};
IN_PROC_BROWSER_TEST_F(PDFExtensionPresentationModeEnabledTest, Fullscreen) {
// Use a PDF document with multiple pages, to exercise navigating between
// pages.
RunTestsInJsModule("fullscreen_test.js", "test-bookmarks.pdf");
}
class PDFExtensionJSTest : public PDFExtensionJSTestBase {
public:
~PDFExtensionJSTest() override = default;
};
IN_PROC_BROWSER_TEST_F(PDFExtensionJSTest, Basic) {
RunTestsInJsModule("basic_test.js", "test.pdf");
// Ensure it loaded in a PPAPI process.
EXPECT_EQ(1, CountPDFProcesses());
}
IN_PROC_BROWSER_TEST_F(PDFExtensionJSTest, BasicPlugin) {
RunTestsInJsModule("basic_plugin_test.js", "test.pdf");
}
IN_PROC_BROWSER_TEST_F(PDFExtensionJSTest, Viewport) {
RunTestsInJsModule("viewport_test.js", "test.pdf");
}
IN_PROC_BROWSER_TEST_F(PDFExtensionJSTest, Layout3) {
RunTestsInJsModule("layout_test.js", "test-layout3.pdf");
}
IN_PROC_BROWSER_TEST_F(PDFExtensionJSTest, Layout4) {
RunTestsInJsModule("layout_test.js", "test-layout4.pdf");
}
IN_PROC_BROWSER_TEST_F(PDFExtensionJSTest, Bookmark) {
RunTestsInJsModule("bookmarks_test.js", "test-bookmarks-with-zoom.pdf");
}
IN_PROC_BROWSER_TEST_F(PDFExtensionJSTest, Navigator) {
RunTestsInJsModule("navigator_test.js", "test.pdf");
}
IN_PROC_BROWSER_TEST_F(PDFExtensionJSTest, ParamsParser) {
RunTestsInJsModule("params_parser_test.js", "test.pdf");
}
IN_PROC_BROWSER_TEST_F(PDFExtensionJSTest, ZoomManager) {
RunTestsInJsModule("zoom_manager_test.js", "test.pdf");
}
IN_PROC_BROWSER_TEST_F(PDFExtensionJSTest, GestureDetector) {
RunTestsInJsModule("gesture_detector_test.js", "test.pdf");
}
IN_PROC_BROWSER_TEST_F(PDFExtensionJSTest, TouchHandling) {
RunTestsInJsModule("touch_handling_test.js", "test.pdf");
}
IN_PROC_BROWSER_TEST_F(PDFExtensionJSTest, Elements) {
// Although this test file does not require a PDF to be loaded, loading the
// elements without loading a PDF is difficult.
RunTestsInJsModule("material_elements_test.js", "test.pdf");
}
#if BUILDFLAG(IS_CHROMEOS_ASH)
IN_PROC_BROWSER_TEST_F(PDFExtensionJSTest, ElementsCros) {
// Although this test file does not require a PDF to be loaded, loading the
// elements without loading a PDF is difficult.
RunTestsInJsModule("material_elements_cros_test.js", "test.pdf");
}
#endif
IN_PROC_BROWSER_TEST_F(PDFExtensionJSTest, DownloadControls) {
// Although this test file does not require a PDF to be loaded, loading the
// elements without loading a PDF is difficult.
RunTestsInJsModule("download_controls_test.js", "test.pdf");
}
IN_PROC_BROWSER_TEST_F(PDFExtensionJSTest, Title) {
RunTestsInJsModule("title_test.js", "test-title.pdf");
}
IN_PROC_BROWSER_TEST_F(PDFExtensionJSTest, WhitespaceTitle) {
RunTestsInJsModule("whitespace_title_test.js", "test-whitespace-title.pdf");
}
IN_PROC_BROWSER_TEST_F(PDFExtensionJSTest, PageChange) {
RunTestsInJsModule("page_change_test.js", "test-bookmarks.pdf");
}
IN_PROC_BROWSER_TEST_F(PDFExtensionJSTest, Metrics) {
RunTestsInJsModule("metrics_test.js", "test.pdf");
}
IN_PROC_BROWSER_TEST_F(PDFExtensionJSTest, ViewerPasswordDialog) {
RunTestsInJsModule("viewer_password_dialog_test.js", "encrypted.pdf");
}
IN_PROC_BROWSER_TEST_F(PDFExtensionJSTest, ArrayBufferAllocator) {
// Run several times to see if there are issues with unloading.
RunTestsInJsModule("beep_test.js", "array_buffer.pdf");
RunTestsInJsModule("beep_test.js", "array_buffer.pdf");
RunTestsInJsModule("beep_test.js", "array_buffer.pdf");
}
// Test that if the plugin tries to load a URL that redirects then it will fail
// to load. This is to avoid the source origin of the document changing during
// the redirect, which can have security implications. https://crbug.com/653749.
IN_PROC_BROWSER_TEST_F(PDFExtensionJSTest, RedirectsFailInPlugin) {
RunTestsInJsModule("redirects_fail_test.js", "test.pdf");
}
IN_PROC_BROWSER_TEST_F(PDFExtensionJSTest, ViewerPdfToolbar) {
// Although this test file does not require a PDF to be loaded, loading the
// elements without loading a PDF is difficult.
RunTestsInJsModule("viewer_pdf_toolbar_test.js", "test.pdf");
}
IN_PROC_BROWSER_TEST_F(PDFExtensionJSTest, ViewerPdfSidenav) {
// Although this test file does not require a PDF to be loaded, loading the
// elements without loading a PDF is difficult.
RunTestsInJsModule("viewer_pdf_sidenav_test.js", "test.pdf");
}
IN_PROC_BROWSER_TEST_F(PDFExtensionJSTest, ViewerThumbnailBar) {
// Although this test file does not require a PDF to be loaded, loading the
// elements without loading a PDF is difficult.
RunTestsInJsModule("viewer_thumbnail_bar_test.js", "test.pdf");
}
IN_PROC_BROWSER_TEST_F(PDFExtensionJSTest, ViewerThumbnail) {
// Although this test file does not require a PDF to be loaded, loading the
// elements without loading a PDF is difficult.
RunTestsInJsModule("viewer_thumbnail_test.js", "test.pdf");
}
#if BUILDFLAG(IS_CHROMEOS_ASH)
IN_PROC_BROWSER_TEST_F(PDFExtensionJSTest, Printing) {
RunTestsInJsModule("printing_icon_test.js", "test.pdf");
}
// TODO(https://crbug.com/920684): Test times out under sanatizers
// TODO(crbug.com/1177131) Re-enable test
IN_PROC_BROWSER_TEST_F(PDFExtensionJSTest, DISABLED_AnnotationsFeatureEnabled) {
RunTestsInJsModule("annotations_feature_enabled_test.js", "test.pdf");
}
IN_PROC_BROWSER_TEST_F(PDFExtensionJSTest, AnnotationsToolbar) {
// Although this test file does not require a PDF to be loaded, loading the
// elements without loading a PDF is difficult.
RunTestsInJsModule("annotations_toolbar_test.js", "test.pdf");
}
#endif // BUILDFLAG(IS_CHROMEOS_ASH)
class PDFExtensionContentSettingJSTest : public PDFExtensionJSTestBase {
public:
~PDFExtensionContentSettingJSTest() override = default;
protected:
// When blocking JavaScript, block the exact query from pdf/main.js while
// still allowing enough JavaScript to run in the extension for the test
// harness to complete its work.
void SetPdfJavaScript(bool enabled) {
auto* map =
HostContentSettingsMapFactory::GetForProfile(browser()->profile());
map->SetContentSettingCustomScope(
ContentSettingsPattern::Wildcard(),
ContentSettingsPattern::FromString(
"chrome-extension://mhjfbmdgcfjbbpaeojofohoefgiehjai"),
ContentSettingsType::JAVASCRIPT,
enabled ? CONTENT_SETTING_ALLOW : CONTENT_SETTING_BLOCK);
}
};
IN_PROC_BROWSER_TEST_F(PDFExtensionContentSettingJSTest, Beep) {
RunTestsInJsModule("beep_test.js", "test-beep.pdf");
}
IN_PROC_BROWSER_TEST_F(PDFExtensionContentSettingJSTest, NoBeep) {
SetPdfJavaScript(/*enabled=*/false);
RunTestsInJsModule("nobeep_test.js", "test-beep.pdf");
}
IN_PROC_BROWSER_TEST_F(PDFExtensionContentSettingJSTest, BeepThenNoBeep) {
RunTestsInJsModule("beep_test.js", "test-beep.pdf");
SetPdfJavaScript(/*enabled=*/false);
RunTestsInJsModuleNewTab("nobeep_test.js", "test-beep.pdf");
// Make sure there are two PDFs in the same process.
const int tab_count = browser()->tab_strip_model()->count();
EXPECT_EQ(2, tab_count);
EXPECT_EQ(1, CountPDFProcesses());
}
IN_PROC_BROWSER_TEST_F(PDFExtensionContentSettingJSTest, NoBeepThenBeep) {
SetPdfJavaScript(/*enabled=*/false);
RunTestsInJsModule("nobeep_test.js", "test-beep.pdf");
SetPdfJavaScript(/*enabled=*/true);
RunTestsInJsModuleNewTab("beep_test.js", "test-beep.pdf");
// Make sure there are two PDFs in the same process.
const int tab_count = browser()->tab_strip_model()->count();
EXPECT_EQ(2, tab_count);
EXPECT_EQ(1, CountPDFProcesses());
}
IN_PROC_BROWSER_TEST_F(PDFExtensionContentSettingJSTest, BeepCsp) {
// The script-source * directive in the mock headers file should
// allow the JavaScript to execute the beep().
RunTestsInJsModule("beep_test.js", "test-beep-csp.pdf");
}
IN_PROC_BROWSER_TEST_F(PDFExtensionContentSettingJSTest, DISABLED_NoBeepCsp) {
// The script-source none directive in the mock headers file should
// prevent the JavaScript from executing the beep().
// TODO(https://crbug.com/1032511) functionality not implemented.
RunTestsInJsModule("nobeep_test.js", "test-nobeep-csp.pdf");
}
// Service worker tests are regression tests for
// https://crbug.com/916514.
class PDFExtensionServiceWorkerJSTest : public PDFExtensionJSTest {
public:
~PDFExtensionServiceWorkerJSTest() override = default;
protected:
// Installs the specified service worker and tests navigating to a PDF in its
// scope.
void RunServiceWorkerTest(const std::string& worker_path) {
// Install the service worker.
ui_test_utils::NavigateToURL(
browser(), embedded_test_server()->GetURL(
"/service_worker/create_service_worker.html"));
EXPECT_EQ("DONE",
EvalJs(browser()->tab_strip_model()->GetActiveWebContents(),
"register('" + worker_path + "', '/pdf');"));
// Navigate to a PDF in the service worker's scope. It should load.
RunTestsInJsModule("basic_test.js", "test.pdf");
// Ensure it loaded in a PPAPI process.
EXPECT_EQ(1, CountPDFProcesses());
}
};
// Test navigating to a PDF in the scope of a service worker with no fetch event
// handler.
IN_PROC_BROWSER_TEST_F(PDFExtensionServiceWorkerJSTest, NoFetchHandler) {
RunServiceWorkerTest("empty.js");
}
// Test navigating to a PDF when a service worker intercepts the request and
// then falls back to network by not calling FetchEvent.respondWith().
IN_PROC_BROWSER_TEST_F(PDFExtensionServiceWorkerJSTest, NetworkFallback) {
RunServiceWorkerTest("network_fallback_worker.js");
}
// Test navigating to a PDF when a service worker intercepts the request and
// provides a response.
IN_PROC_BROWSER_TEST_F(PDFExtensionServiceWorkerJSTest, Interception) {
RunServiceWorkerTest("respond_with_fetch_worker.js");
}
// Ensure that the internal PDF plugin application/x-google-chrome-pdf won't be
// loaded if it's not loaded in the chrome extension page.
IN_PROC_BROWSER_TEST_F(PDFExtensionTest, EnsureInternalPluginDisabled) {
std::string url = embedded_test_server()->GetURL("/pdf/test.pdf").spec();
std::string data_url =
"data:text/html,"
"<html><body>"
"<embed type=\"application/x-google-chrome-pdf\" src=\"" +
url +
"\">"
"</body></html>";
ui_test_utils::NavigateToURL(browser(), GURL(data_url));
WebContents* web_contents = GetActiveWebContents();
bool plugin_loaded = false;
ASSERT_TRUE(content::ExecuteScriptAndExtractBool(
web_contents,
"var plugin_loaded = "
" document.getElementsByTagName('embed')[0].postMessage !== undefined;"
"window.domAutomationController.send(plugin_loaded);",
&plugin_loaded));
ASSERT_FALSE(plugin_loaded);
}
// Ensure cross-origin replies won't work for getSelectedText.
IN_PROC_BROWSER_TEST_F(PDFExtensionTest, EnsureCrossOriginRepliesBlocked) {
std::string url = embedded_test_server()->GetURL("/pdf/test.pdf").spec();
std::string data_url =
"data:text/html,"
"<html><body>"
"<embed type=\"application/pdf\" src=\"" +
url +
"\">"
"</body></html>";
TestGetSelectedTextReply(GURL(data_url), false);
}
// Ensure same-origin replies do work for getSelectedText.
IN_PROC_BROWSER_TEST_F(PDFExtensionTest, EnsureSameOriginRepliesAllowed) {
TestGetSelectedTextReply(embedded_test_server()->GetURL("/pdf/test.pdf"),
true);
}
// TODO(crbug.com/1004425): Should be allowed?
IN_PROC_BROWSER_TEST_F(PDFExtensionTest, EnsureOpaqueOriginRepliesBlocked) {
TestGetSelectedTextReply(
embedded_test_server()->GetURL("/pdf/data_url_rectangles.html"), false);
}
// Ensure that the PDF component extension cannot be loaded directly.
IN_PROC_BROWSER_TEST_F(PDFExtensionTest, BlockDirectAccess) {
WebContents* web_contents = GetActiveWebContents();
content::WebContentsConsoleObserver console_observer(web_contents);
console_observer.SetPattern(
"*Streams are only available from a mime handler view guest.*");
GURL forbidden_url(
"chrome-extension://mhjfbmdgcfjbbpaeojofohoefgiehjai/index.html?"
"https://example.com/notrequested.pdf");
ui_test_utils::NavigateToURL(browser(), forbidden_url);
console_observer.Wait();
// Didn't launch a PPAPI process.
EXPECT_EQ(0, CountPDFProcesses());
}
// This test ensures that PDF can be loaded from local file
IN_PROC_BROWSER_TEST_F(PDFExtensionTest, EnsurePDFFromLocalFileLoads) {
GURL test_pdf_url;
{
base::ScopedAllowBlockingForTesting allow_blocking;
base::FilePath test_data_dir;
ASSERT_TRUE(base::PathService::Get(chrome::DIR_TEST_DATA, &test_data_dir));
test_data_dir = test_data_dir.Append(FILE_PATH_LITERAL("pdf"));
base::FilePath test_data_file = test_data_dir.AppendASCII("test.pdf");
ASSERT_TRUE(PathExists(test_data_file));
test_pdf_url = GURL("file://" + test_data_file.MaybeAsASCII());
}
WebContents* guest_contents = LoadPdfGetGuestContents(test_pdf_url);
ASSERT_TRUE(guest_contents);
// Did launch a PPAPI process.
EXPECT_EQ(1, CountPDFProcesses());
}
// Tests that PDF with no filename extension can be loaded from local file.
IN_PROC_BROWSER_TEST_F(PDFExtensionTest, ExtensionlessPDFLocalFileLoads) {
GURL test_pdf_url;
{
base::ScopedAllowBlockingForTesting allow_blocking;
base::FilePath test_data_dir;
ASSERT_TRUE(base::PathService::Get(chrome::DIR_TEST_DATA, &test_data_dir));
test_data_dir = test_data_dir.AppendASCII("pdf");
base::FilePath test_data_file = test_data_dir.AppendASCII("imgpdf");
ASSERT_TRUE(PathExists(test_data_file));
test_pdf_url = GURL("file://" + test_data_file.MaybeAsASCII());
}
WebContents* guest_contents = LoadPdfGetGuestContents(test_pdf_url);
ASSERT_TRUE(guest_contents);
// Did launch a PPAPI process.
EXPECT_EQ(1, CountPDFProcesses());
}
// This test ensures that link permissions are enforced properly in PDFs.
IN_PROC_BROWSER_TEST_F(PDFExtensionTest, LinkPermissions) {
GURL test_pdf_url(embedded_test_server()->GetURL("/pdf/test.pdf"));
WebContents* guest_contents = LoadPdfGetGuestContents(test_pdf_url);
ASSERT_TRUE(guest_contents);
// chrome://favicon links should be allowed for PDFs, while chrome://settings
// links should not.
GURL valid_link_url(std::string(chrome::kChromeUIFaviconURL) +
"https://www.google.ca/");
GURL invalid_link_url(chrome::kChromeUISettingsURL);
GURL unfiltered_valid_link_url(valid_link_url);
content::RenderProcessHost* rph =
guest_contents->GetMainFrame()->GetProcess();
rph->FilterURL(true, &valid_link_url);
rph->FilterURL(true, &invalid_link_url);
// Invalid link URLs should be changed to "about:blank#blocked" when filtered.
EXPECT_EQ(unfiltered_valid_link_url, valid_link_url);
EXPECT_EQ(GURL(content::kBlockedURL), invalid_link_url);
}
// This test ensures that titles are set properly for PDFs without /Title.
IN_PROC_BROWSER_TEST_F(PDFExtensionTest, TabTitleWithNoTitle) {
GURL test_pdf_url(embedded_test_server()->GetURL("/pdf/test.pdf"));
WebContents* guest_contents = LoadPdfGetGuestContents(test_pdf_url);
ASSERT_TRUE(guest_contents);
EXPECT_EQ(u"test.pdf", guest_contents->GetTitle());
EXPECT_EQ(u"test.pdf", GetActiveWebContents()->GetTitle());
}
// This test ensures that titles are set properly for PDFs with /Title.
IN_PROC_BROWSER_TEST_F(PDFExtensionTest, TabTitleWithTitle) {
GURL test_pdf_url(embedded_test_server()->GetURL("/pdf/test-title.pdf"));
WebContents* guest_contents = LoadPdfGetGuestContents(test_pdf_url);
ASSERT_TRUE(guest_contents);
EXPECT_EQ(u"PDF title test", guest_contents->GetTitle());
EXPECT_EQ(u"PDF title test", GetActiveWebContents()->GetTitle());
}
// This test ensures that titles are set properly for embedded PDFs with /Title.
IN_PROC_BROWSER_TEST_F(PDFExtensionTest, TabTitleWithEmbeddedPdf) {
std::string url =
embedded_test_server()->GetURL("/pdf/test-title.pdf").spec();
std::string data_url =
"data:text/html,"
"<html><head><title>TabTitleWithEmbeddedPdf</title></head><body>"
"<embed type=\"application/pdf\" src=\"" +
url +
"\"></body></html>";
ASSERT_TRUE(LoadPdf(GURL(data_url)));
EXPECT_EQ(u"TabTitleWithEmbeddedPdf", GetActiveWebContents()->GetTitle());
}
// Flaky, http://crbug.com/767427
#if defined(OS_WIN)
#define MAYBE_PdfZoomWithoutBubble DISABLED_PdfZoomWithoutBubble
#else
#define MAYBE_PdfZoomWithoutBubble PdfZoomWithoutBubble
#endif
IN_PROC_BROWSER_TEST_F(PDFExtensionTest, MAYBE_PdfZoomWithoutBubble) {
GURL test_pdf_url(embedded_test_server()->GetURL("/pdf/test.pdf"));
WebContents* guest_contents = LoadPdfGetGuestContents(test_pdf_url);
ASSERT_TRUE(guest_contents);
WebContents* web_contents = GetActiveWebContents();
// Here we look at the presets to find the next zoom level above 0. Ideally
// we should look at the zoom levels from the PDF viewer javascript, but we
// assume they'll always match the browser presets, which are easier to
// access. In the script below, we zoom to 100% (0), then wait for this to be
// picked up by the browser zoom, then zoom to the next zoom level. This
// ensures the test passes regardless of the initial default zoom level.
std::vector<double> preset_zoom_levels = zoom::PageZoom::PresetZoomLevels(0);
auto it = std::find(preset_zoom_levels.begin(), preset_zoom_levels.end(), 0);
ASSERT_TRUE(it != preset_zoom_levels.end());
it++;
ASSERT_TRUE(it != preset_zoom_levels.end());
double new_zoom_level = *it;
auto* zoom_controller = zoom::ZoomController::FromWebContents(web_contents);
// We expect a ZoomChangedEvent with can_show_bubble == false if the PDF
// extension behaviour is properly picked up. The test times out otherwise.
zoom::ZoomChangedWatcher watcher(
zoom_controller, zoom::ZoomController::ZoomChangedEventData(
web_contents, 0, new_zoom_level,
zoom::ZoomController::ZOOM_MODE_MANUAL, false));
// Zoom PDF via script.
#if defined(TOOLKIT_VIEWS) && !defined(OS_MAC)
EXPECT_EQ(nullptr, ZoomBubbleView::GetZoomBubble());
#endif
ASSERT_TRUE(content::ExecuteScript(guest_contents,
"while (viewer.viewport.getZoom() < 1) {"
" viewer.viewport.zoomIn();"
"}"
"setTimeout(() => {"
" viewer.viewport.zoomIn();"
"}, 1);"));
watcher.Wait();
#if defined(TOOLKIT_VIEWS) && !defined(OS_MAC)
EXPECT_EQ(nullptr, ZoomBubbleView::GetZoomBubble());
#endif
}
static std::string DumpPdfAccessibilityTree(const ui::AXTreeUpdate& ax_tree) {
// Create a string representation of the tree starting with the embedded
// object.
std::string ax_tree_dump;
std::map<int32_t, int> id_to_indentation;
bool found_embedded_object = false;
for (auto& node : ax_tree.nodes) {
if (node.role == ax::mojom::Role::kEmbeddedObject)
found_embedded_object = true;
if (!found_embedded_object)
continue;
auto indent_found = id_to_indentation.find(node.id);
int indent = 0;
if (indent_found != id_to_indentation.end()) {
indent = indent_found->second;
} else if (node.role != ax::mojom::Role::kEmbeddedObject) {
// If this node has no indent and isn't the embedded object, return, as
// this indicates the end of the PDF.
return ax_tree_dump;
}
ax_tree_dump += std::string(2 * indent, ' ');
ax_tree_dump += ui::ToString(node.role);
std::string name =
node.GetStringAttribute(ax::mojom::StringAttribute::kName);
base::ReplaceChars(name, "\r\n", "", &name);
if (!name.empty())
ax_tree_dump += " '" + name + "'";
ax_tree_dump += "\n";
for (size_t j = 0; j < node.child_ids.size(); ++j)
id_to_indentation[node.child_ids[j]] = indent + 1;
}
return ax_tree_dump;
}
// This is a pattern with a few wildcards due to a PDF bug where the
// fi ligature is not parsed correctly on some systems.
// http://crbug.com/701427
static const char kExpectedPDFAXTreePattern[] =
"embeddedObject\n"
" pdfRoot 'PDF document containing 3 pages'\n"
" region 'Page 1'\n"
" paragraph\n"
" staticText '1 First Section'\n"
" inlineTextBox '1 '\n"
" inlineTextBox 'First Section'\n"
" paragraph\n"
" staticText 'This is the *rst section.'\n"
" inlineTextBox 'This is the *rst section.'\n"
" paragraph\n"
" staticText '1'\n"
" inlineTextBox '1'\n"
" region 'Page 2'\n"
" paragraph\n"
" staticText '1.1 First Subsection'\n"
" inlineTextBox '1.1 '\n"
" inlineTextBox 'First Subsection'\n"
" paragraph\n"
" staticText 'This is the *rst subsection.'\n"
" inlineTextBox 'This is the *rst subsection.'\n"
" paragraph\n"
" staticText '2'\n"
" inlineTextBox '2'\n"
" region 'Page 3'\n"
" paragraph\n"
" staticText '2 Second Section'\n"
" inlineTextBox '2 '\n"
" inlineTextBox 'Second Section'\n"
" paragraph\n"
" staticText '3'\n"
" inlineTextBox '3'\n";
IN_PROC_BROWSER_TEST_F(PDFExtensionTest, PdfAccessibility) {
content::BrowserAccessibilityState::GetInstance()->EnableAccessibility();
GURL test_pdf_url(embedded_test_server()->GetURL("/pdf/test-bookmarks.pdf"));
WebContents* guest_contents = LoadPdfGetGuestContents(test_pdf_url);
ASSERT_TRUE(guest_contents);
WaitForAccessibilityTreeToContainNodeWithName(guest_contents,
"1 First Section\r\n");
ui::AXTreeUpdate ax_tree = GetAccessibilityTreeSnapshot(guest_contents);
std::string ax_tree_dump = DumpPdfAccessibilityTree(ax_tree);
ASSERT_MULTILINE_STR_MATCHES(kExpectedPDFAXTreePattern, ax_tree_dump);
}
IN_PROC_BROWSER_TEST_F(PDFExtensionTest, PdfAccessibilityEnableLater) {
// In this test, load the PDF file first, with accessibility off.
GURL test_pdf_url(embedded_test_server()->GetURL("/pdf/test-bookmarks.pdf"));
WebContents* guest_contents = LoadPdfGetGuestContents(test_pdf_url);
ASSERT_TRUE(guest_contents);
// Now enable accessibility globally, and assert that the PDF accessibility
// tree loads.
EnableAccessibilityForWebContents(guest_contents);
WaitForAccessibilityTreeToContainNodeWithName(guest_contents,
"1 First Section\r\n");
ui::AXTreeUpdate ax_tree = GetAccessibilityTreeSnapshot(guest_contents);
std::string ax_tree_dump = DumpPdfAccessibilityTree(ax_tree);
ASSERT_MULTILINE_STR_MATCHES(kExpectedPDFAXTreePattern, ax_tree_dump);
}
bool RetrieveGuestContents(WebContents** out_guest_contents,
WebContents* in_guest_contents) {
*out_guest_contents = in_guest_contents;
return true;
}
IN_PROC_BROWSER_TEST_F(PDFExtensionTest, PdfAccessibilityInIframe) {
content::BrowserAccessibilityState::GetInstance()->EnableAccessibility();
GURL test_iframe_url(embedded_test_server()->GetURL("/pdf/test-iframe.html"));
ui_test_utils::NavigateToURL(browser(), test_iframe_url);
WebContents* contents = GetActiveWebContents();
WaitForAccessibilityTreeToContainNodeWithName(contents,
"1 First Section\r\n");
WebContents* guest_contents = nullptr;
content::BrowserPluginGuestManager* guest_manager =
contents->GetBrowserContext()->GetGuestManager();
guest_manager->ForEachGuest(
contents, base::BindRepeating(&RetrieveGuestContents, &guest_contents));
ASSERT_TRUE(guest_contents);
ui::AXTreeUpdate ax_tree = GetAccessibilityTreeSnapshot(guest_contents);
std::string ax_tree_dump = DumpPdfAccessibilityTree(ax_tree);
ASSERT_MULTILINE_STR_MATCHES(kExpectedPDFAXTreePattern, ax_tree_dump);
}
IN_PROC_BROWSER_TEST_F(PDFExtensionTest, PdfAccessibilityInOOPIF) {
content::BrowserAccessibilityState::GetInstance()->EnableAccessibility();
GURL test_iframe_url(embedded_test_server()->GetURL(
"/pdf/test-cross-site-iframe.html"));
ui_test_utils::NavigateToURL(browser(), test_iframe_url);
WebContents* contents = GetActiveWebContents();
WaitForAccessibilityTreeToContainNodeWithName(contents,
"1 First Section\r\n");
WebContents* guest_contents = nullptr;
content::BrowserPluginGuestManager* guest_manager =
contents->GetBrowserContext()->GetGuestManager();
guest_manager->ForEachGuest(
contents, base::BindRepeating(&RetrieveGuestContents, &guest_contents));
ASSERT_TRUE(guest_contents);
ui::AXTreeUpdate ax_tree = GetAccessibilityTreeSnapshot(guest_contents);
std::string ax_tree_dump = DumpPdfAccessibilityTree(ax_tree);
ASSERT_MULTILINE_STR_MATCHES(kExpectedPDFAXTreePattern, ax_tree_dump);
}
IN_PROC_BROWSER_TEST_F(PDFExtensionTest, PdfAccessibilityWordBoundaries) {
content::BrowserAccessibilityState::GetInstance()->EnableAccessibility();
GURL test_pdf_url(embedded_test_server()->GetURL("/pdf/test-bookmarks.pdf"));
WebContents* guest_contents = LoadPdfGetGuestContents(test_pdf_url);
ASSERT_TRUE(guest_contents);
WaitForAccessibilityTreeToContainNodeWithName(guest_contents,
"1 First Section\r\n");
ui::AXTreeUpdate ax_tree = GetAccessibilityTreeSnapshot(guest_contents);
bool found = false;
for (auto& node : ax_tree.nodes) {
std::string name =
node.GetStringAttribute(ax::mojom::StringAttribute::kName);
if (node.role == ax::mojom::Role::kInlineTextBox &&
name == "First Section\r\n") {
found = true;
std::vector<int32_t> word_starts =
node.GetIntListAttribute(ax::mojom::IntListAttribute::kWordStarts);
std::vector<int32_t> word_ends =
node.GetIntListAttribute(ax::mojom::IntListAttribute::kWordEnds);
ASSERT_EQ(2U, word_starts.size());
ASSERT_EQ(2U, word_ends.size());
EXPECT_EQ(0, word_starts[0]);
EXPECT_EQ(5, word_ends[0]);
EXPECT_EQ(6, word_starts[1]);
EXPECT_EQ(13, word_ends[1]);
}
}
ASSERT_TRUE(found);
}
IN_PROC_BROWSER_TEST_F(PDFExtensionTest, PdfAccessibilitySelection) {
GURL test_pdf_url(embedded_test_server()->GetURL("/pdf/test-bookmarks.pdf"));
WebContents* guest_contents = LoadPdfGetGuestContents(test_pdf_url);
ASSERT_TRUE(guest_contents);
WebContents* web_contents = GetActiveWebContents();
CHECK(content::ExecuteScript(
web_contents,
"document.getElementsByTagName('embed')[0].postMessage("
"{type: 'selectAll'});"));
EnableAccessibilityForWebContents(guest_contents);
WaitForAccessibilityTreeToContainNodeWithName(guest_contents,
"1 First Section\r\n");
ui::AXTreeUpdate ax_tree_update =
GetAccessibilityTreeSnapshot(guest_contents);
ui::AXTree ax_tree(ax_tree_update);
// Ensure that the selection spans the beginning of the first text
// node to the end of the last one.
ui::AXNode* sel_start_node =
ax_tree.GetFromId(ax_tree.data().sel_anchor_object_id);
ASSERT_TRUE(sel_start_node);
EXPECT_EQ(ax::mojom::Role::kStaticText, sel_start_node->data().role);
std::string start_node_name = sel_start_node->data().GetStringAttribute(
ax::mojom::StringAttribute::kName);
EXPECT_EQ("1 First Section\r\n", start_node_name);
EXPECT_EQ(0, ax_tree.data().sel_anchor_offset);
ui::AXNode* para = sel_start_node->parent();
EXPECT_EQ(ax::mojom::Role::kParagraph, para->data().role);
ui::AXNode* region = para->parent();
EXPECT_EQ(ax::mojom::Role::kRegion, region->data().role);
ui::AXNode* sel_end_node =
ax_tree.GetFromId(ax_tree.data().sel_focus_object_id);
ASSERT_TRUE(sel_end_node);
std::string end_node_name = sel_end_node->data().GetStringAttribute(
ax::mojom::StringAttribute::kName);
EXPECT_EQ("3", end_node_name);
EXPECT_EQ(static_cast<int>(end_node_name.size()),
ax_tree.data().sel_focus_offset);
para = sel_end_node->parent();
EXPECT_EQ(ax::mojom::Role::kParagraph, para->data().role);
region = para->parent();
EXPECT_EQ(ax::mojom::Role::kRegion, region->data().role);
}
IN_PROC_BROWSER_TEST_F(PDFExtensionTest, PdfAccessibilityContextMenuAction) {
// Validate the context menu arguments for PDF selection when context menu is
// invoked via accessibility tree.
const char kExepectedPDFSelection[] =
"1 First Section\n"
"This is the first section.\n"
"1\n"
"1.1 First Subsection\n"
"This is the first subsection.\n"
"2\n"
"2 Second Section\n"
"3";
GURL test_pdf_url(embedded_test_server()->GetURL("/pdf/test-bookmarks.pdf"));
WebContents* guest_contents = LoadPdfGetGuestContents(test_pdf_url);
ASSERT_TRUE(guest_contents);
CHECK(content::ExecuteScript(
GetActiveWebContents(),
"document.getElementsByTagName('embed')[0].postMessage("
"{type: 'selectAll'});"));
EnableAccessibilityForWebContents(guest_contents);
WaitForAccessibilityTreeToContainNodeWithName(guest_contents,
"1 First Section\r\n");
// Find pdfRoot node in the accessibility tree.
content::FindAccessibilityNodeCriteria find_criteria;
find_criteria.role = ax::mojom::Role::kEmbeddedObject;
ui::AXPlatformNodeDelegate* pdf_root =
content::FindAccessibilityNode(guest_contents, find_criteria);
ASSERT_TRUE(pdf_root);
find_criteria.role = ax::mojom::Role::kPdfRoot;
ui::AXPlatformNodeDelegate* pdf_doc_node =
FindAccessibilityNodeInSubtree(pdf_root, find_criteria);
ASSERT_TRUE(pdf_doc_node);
auto context_menu_interceptor =
std::make_unique<content::ContextMenuInterceptor>();
context_menu_interceptor->Init(guest_contents->GetMainFrame());
ContextMenuWaiter menu_waiter;
// Invoke kShowContextMenu accessibility action on PDF document node.
ui::AXActionData data;
data.action = ax::mojom::Action::kShowContextMenu;
pdf_doc_node->AccessibilityPerformAction(data);
menu_waiter.WaitForMenuOpenAndClose();
context_menu_interceptor->Wait();
blink::UntrustworthyContextMenuParams params =
context_menu_interceptor->get_params();
// Validate the context menu params for selection.
EXPECT_EQ(blink::mojom::ContextMenuDataMediaType::kPlugin, params.media_type);
std::string selected_text = base::UTF16ToUTF8(params.selection_text);
base::ReplaceChars(selected_text, "\r", "", &selected_text);
EXPECT_EQ(kExepectedPDFSelection, selected_text);
}
#if BUILDFLAG(GOOGLE_CHROME_BRANDING)
// Test a particular PDF encountered in the wild that triggered a crash
// when accessibility is enabled. (http://crbug.com/668724)
IN_PROC_BROWSER_TEST_F(PDFExtensionTest, PdfAccessibilityTextRunCrash) {
content::BrowserAccessibilityState::GetInstance()->EnableAccessibility();
GURL test_pdf_url(embedded_test_server()->GetURL(
"/pdf_private/accessibility_crash_2.pdf"));
WebContents* guest_contents = LoadPdfGetGuestContents(test_pdf_url);
ASSERT_TRUE(guest_contents);
WaitForAccessibilityTreeToContainNodeWithName(guest_contents, "Page 1");
}
#endif
// Test that even if a different tab is selected when a navigation occurs,
// the correct tab still gets navigated (see crbug.com/672563).
IN_PROC_BROWSER_TEST_F(PDFExtensionTest, NavigationOnCorrectTab) {
GURL test_pdf_url(embedded_test_server()->GetURL("/pdf/test.pdf"));
WebContents* guest_contents = LoadPdfGetGuestContents(test_pdf_url);
ASSERT_TRUE(guest_contents);
WebContents* web_contents = GetActiveWebContents();
ui_test_utils::NavigateToURLWithDisposition(
browser(), GURL("about:blank"), WindowOpenDisposition::NEW_FOREGROUND_TAB,
ui_test_utils::BROWSER_TEST_WAIT_FOR_TAB |
ui_test_utils::BROWSER_TEST_WAIT_FOR_LOAD_STOP);
WebContents* active_web_contents = GetActiveWebContents();
ASSERT_NE(web_contents, active_web_contents);
content::TestNavigationObserver active_navigation_observer(
active_web_contents);
content::TestNavigationObserver navigation_observer(web_contents);
ASSERT_TRUE(
content::ExecuteScript(guest_contents,
"viewer.navigator_.navigate("
" 'www.example.com',"
" WindowOpenDisposition.CURRENT_TAB);"));
navigation_observer.Wait();
EXPECT_FALSE(navigation_observer.last_navigation_url().is_empty());
EXPECT_TRUE(active_navigation_observer.last_navigation_url().is_empty());
EXPECT_FALSE(active_web_contents->GetController().GetPendingEntry());
}
IN_PROC_BROWSER_TEST_F(PDFExtensionTest, MultipleDomains) {
for (const std::string& domain : {"a.com", "b.com"}) {
const GURL url = embedded_test_server()->GetURL(domain, "/pdf/test.pdf");
ASSERT_TRUE(LoadPdfInNewTab(url));
}
EXPECT_EQ(2, CountPDFProcesses());
}
class PDFExtensionLinkClickTest : public PDFExtensionTest {
public:
PDFExtensionLinkClickTest() : guest_contents_(nullptr) {}
~PDFExtensionLinkClickTest() override {}
protected:
content::WebContents* LoadTestLinkPdfGetGuestContents() {
GURL test_pdf_url(embedded_test_server()->GetURL("/pdf/test-link.pdf"));
guest_contents_ = LoadPdfGetGuestContents(test_pdf_url);
EXPECT_TRUE(guest_contents_);
return guest_contents_;
}
// The rectangle of the link in test-link.pdf is [72 706 164 719] in PDF user
// space. To calculate a position inside this rectangle, several
// transformations have to be applied:
// [a] (110, 110) in Blink page coordinates ->
// [b] (219, 169) in Blink screen coordinates ->
// [c] (115, 169) in PDF Device space coordinates ->
// [d] (82.5, 709.5) in PDF user space coordinates.
// This performs the [a] to [b] transformation, since that is the coordinate
// space content::SimulateMouseClickAt() needs.
gfx::Point GetLinkPosition() {
gfx::Point link_position(110, 110);
ConvertPageCoordToScreenCoord(guest_contents_, &link_position);
return link_position;
}
void SetGuestContents(WebContents* guest_contents) {
ASSERT_TRUE(guest_contents);
guest_contents_ = guest_contents;
}
content::WebContents* GetWebContentsForInputRouting() {
return guest_contents_;
}
private:
WebContents* guest_contents_;
};
IN_PROC_BROWSER_TEST_F(PDFExtensionLinkClickTest, CtrlLeft) {
LoadTestLinkPdfGetGuestContents();
WebContents* web_contents = GetActiveWebContents();
content::SimulateMouseClickAt(
GetWebContentsForInputRouting(), kDefaultKeyModifier,
blink::WebMouseEvent::Button::kLeft, GetLinkPosition());
ui_test_utils::TabAddedWaiter(browser()).Wait();
int tab_count = browser()->tab_strip_model()->count();
ASSERT_EQ(2, tab_count);
WebContents* active_web_contents = GetActiveWebContents();
ASSERT_EQ(web_contents, active_web_contents);
WebContents* new_web_contents =
browser()->tab_strip_model()->GetWebContentsAt(1);
ASSERT_TRUE(new_web_contents);
ASSERT_NE(web_contents, new_web_contents);
const GURL& url = new_web_contents->GetURL();
EXPECT_EQ("http://www.example.com/", url.spec());
}
IN_PROC_BROWSER_TEST_F(PDFExtensionLinkClickTest, Middle) {
LoadTestLinkPdfGetGuestContents();
WebContents* web_contents = GetActiveWebContents();
content::SimulateMouseClickAt(GetWebContentsForInputRouting(), 0,
blink::WebMouseEvent::Button::kMiddle,
GetLinkPosition());
ui_test_utils::TabAddedWaiter(browser()).Wait();
int tab_count = browser()->tab_strip_model()->count();
ASSERT_EQ(2, tab_count);
WebContents* active_web_contents = GetActiveWebContents();
ASSERT_EQ(web_contents, active_web_contents);
WebContents* new_web_contents =
browser()->tab_strip_model()->GetWebContentsAt(1);
ASSERT_TRUE(new_web_contents);
ASSERT_NE(web_contents, new_web_contents);
const GURL& url = new_web_contents->GetURL();
EXPECT_EQ("http://www.example.com/", url.spec());
}
IN_PROC_BROWSER_TEST_F(PDFExtensionLinkClickTest, CtrlShiftLeft) {
LoadTestLinkPdfGetGuestContents();
WebContents* web_contents = GetActiveWebContents();
const int modifiers = blink::WebInputEvent::kShiftKey | kDefaultKeyModifier;
content::SimulateMouseClickAt(GetWebContentsForInputRouting(), modifiers,
blink::WebMouseEvent::Button::kLeft,
GetLinkPosition());
ui_test_utils::TabAddedWaiter(browser()).Wait();
int tab_count = browser()->tab_strip_model()->count();
ASSERT_EQ(2, tab_count);
WebContents* active_web_contents = GetActiveWebContents();
ASSERT_NE(web_contents, active_web_contents);
const GURL& url = active_web_contents->GetURL();
EXPECT_EQ("http://www.example.com/", url.spec());
}
IN_PROC_BROWSER_TEST_F(PDFExtensionLinkClickTest, ShiftMiddle) {
LoadTestLinkPdfGetGuestContents();
WebContents* web_contents = GetActiveWebContents();
content::SimulateMouseClickAt(
GetWebContentsForInputRouting(), blink::WebInputEvent::kShiftKey,
blink::WebMouseEvent::Button::kMiddle, GetLinkPosition());
ui_test_utils::TabAddedWaiter(browser()).Wait();
int tab_count = browser()->tab_strip_model()->count();
ASSERT_EQ(2, tab_count);
WebContents* active_web_contents = GetActiveWebContents();
ASSERT_NE(web_contents, active_web_contents);
const GURL& url = active_web_contents->GetURL();
EXPECT_EQ("http://www.example.com/", url.spec());
}
IN_PROC_BROWSER_TEST_F(PDFExtensionLinkClickTest, ShiftLeft) {
LoadTestLinkPdfGetGuestContents();
ASSERT_EQ(1U, chrome::GetTotalBrowserCount());
WebContents* web_contents = GetActiveWebContents();
content::SimulateMouseClickAt(
GetWebContentsForInputRouting(), blink::WebInputEvent::kShiftKey,
blink::WebMouseEvent::Button::kLeft, GetLinkPosition());
ui_test_utils::WaitForBrowserToOpen();
ASSERT_EQ(2U, chrome::GetTotalBrowserCount());
WebContents* active_web_contents =
chrome::FindLastActive()->tab_strip_model()->GetActiveWebContents();
ASSERT_NE(web_contents, active_web_contents);
const GURL& url = active_web_contents->GetURL();
EXPECT_EQ("http://www.example.com/", url.spec());
}
// This test opens a PDF by clicking a link via javascript and verifies that
// the PDF is loaded and functional by clicking a link in the PDF. The link
// click in the PDF opens a new tab. The main page handles the pageShow event
// and updates the history state.
IN_PROC_BROWSER_TEST_F(PDFExtensionLinkClickTest, OpenPDFWithReplaceState) {
// Navigate to the main page.
GURL test_url(
embedded_test_server()->GetURL("/pdf/pdf_href_replace_state.html"));
ui_test_utils::NavigateToURL(browser(), test_url);
WebContents* web_contents = GetActiveWebContents();
ASSERT_TRUE(web_contents);
// Click on the link which opens the PDF via JS.
content::TestNavigationObserver navigation_observer(web_contents);
const char kPdfLinkClick[] = "document.getElementById('link').click();";
ASSERT_TRUE(content::ExecuteScript(web_contents, kPdfLinkClick));
navigation_observer.Wait();
const GURL& current_url = web_contents->GetURL();
ASSERT_EQ("/pdf/test-link.pdf", current_url.path());
ASSERT_TRUE(pdf_extension_test_util::EnsurePDFHasLoaded(web_contents));
// Now click on the link to example.com in the PDF. This should open up a new
// tab.
content::BrowserPluginGuestManager* guest_manager =
web_contents->GetBrowserContext()->GetGuestManager();
SetGuestContents(guest_manager->GetFullPageGuest(web_contents));
content::SimulateMouseClickAt(
GetWebContentsForInputRouting(), kDefaultKeyModifier,
blink::WebMouseEvent::Button::kLeft, GetLinkPosition());
ui_test_utils::TabAddedWaiter(browser()).Wait();
// We should have two tabs now. One with the PDF and the second for
// example.com
int tab_count = browser()->tab_strip_model()->count();
ASSERT_EQ(2, tab_count);
WebContents* active_web_contents = GetActiveWebContents();
ASSERT_EQ(web_contents, active_web_contents);
WebContents* new_web_contents =
browser()->tab_strip_model()->GetWebContentsAt(1);
ASSERT_TRUE(new_web_contents);
ASSERT_NE(web_contents, new_web_contents);
const GURL& url = new_web_contents->GetURL();
EXPECT_EQ("http://www.example.com/", url.spec());
}
namespace {
// Fails the test if a navigation is started in the given WebContents.
class FailOnNavigation : public content::WebContentsObserver {
public:
explicit FailOnNavigation(content::WebContents* contents)
: content::WebContentsObserver(contents) {}
// content::WebContentsObserver:
void DidStartNavigation(
content::NavigationHandle* navigation_handle) override {
ADD_FAILURE() << "Unexpected navigation";
}
};
} // namespace
// If the PDF viewer can't navigate the tab using a tab id, make sure it doesn't
// try to navigate the mime handler extension's frame.
// Regression test for https://crbug.com/1158381
IN_PROC_BROWSER_TEST_F(PDFExtensionLinkClickTest, LinkClickInPdfInNonTab) {
// For ease of testing, we'll still load the PDF in a tab, but we clobber the
// tab id in the viewer to make it think it's not in a tab.
WebContents* guest_contents = LoadTestLinkPdfGetGuestContents();
ASSERT_TRUE(guest_contents);
ASSERT_TRUE(
content::ExecuteScript(guest_contents,
"window.viewer.browserApi.getStreamInfo().tabId = "
" chrome.tabs.TAB_ID_NONE;"));
FailOnNavigation fail_if_mimehandler_navigates(guest_contents);
content::SimulateMouseClickAt(
GetWebContentsForInputRouting(), blink::WebInputEvent::kNoModifiers,
blink::WebMouseEvent::Button::kLeft, GetLinkPosition());
// Since the guest contents is for a mime handling extension (in this case,
// the PDF viewer extension), it must not navigate away from the extension. If
// |fail_if_mimehandler_navigates| doesn't see a navigation, we consider the
// test to have passed.
base::RunLoop run_loop;
base::ThreadTaskRunnerHandle::Get()->PostDelayedTask(
FROM_HERE, run_loop.QuitClosure(), TestTimeouts::tiny_timeout());
run_loop.Run();
}
class PDFExtensionInternalLinkClickTest : public PDFExtensionTest {
public:
PDFExtensionInternalLinkClickTest() : guest_contents_(nullptr) {}
~PDFExtensionInternalLinkClickTest() override {}
protected:
void LoadTestLinkPdfGetGuestContents() {
GURL test_pdf_url(
embedded_test_server()->GetURL("/pdf/test-internal-link.pdf"));
guest_contents_ = LoadPdfGetGuestContents(test_pdf_url);
ASSERT_TRUE(guest_contents_);
}
gfx::Point GetLinkPosition() {
// The whole first page is a link.
gfx::Point link_position(100, 100);
ConvertPageCoordToScreenCoord(guest_contents_, &link_position);
return link_position;
}
content::WebContents* GetWebContentsForInputRouting() {
return guest_contents_;
}
private:
WebContents* guest_contents_;
};
IN_PROC_BROWSER_TEST_F(PDFExtensionInternalLinkClickTest, CtrlLeft) {
LoadTestLinkPdfGetGuestContents();
WebContents* web_contents = GetActiveWebContents();
content::SimulateMouseClickAt(
GetWebContentsForInputRouting(), kDefaultKeyModifier,
blink::WebMouseEvent::Button::kLeft, GetLinkPosition());
ui_test_utils::TabAddedWaiter(browser()).Wait();
int tab_count = browser()->tab_strip_model()->count();
ASSERT_EQ(2, tab_count);
WebContents* active_web_contents = GetActiveWebContents();
ASSERT_EQ(web_contents, active_web_contents);
WebContents* new_web_contents =
browser()->tab_strip_model()->GetWebContentsAt(1);
ASSERT_TRUE(new_web_contents);
ASSERT_NE(web_contents, new_web_contents);
const GURL& url = new_web_contents->GetURL();
EXPECT_EQ("/pdf/test-internal-link.pdf", url.path());
EXPECT_EQ("page=2&zoom=100,0,200", url.ref());
}
IN_PROC_BROWSER_TEST_F(PDFExtensionInternalLinkClickTest, Middle) {
LoadTestLinkPdfGetGuestContents();
WebContents* web_contents = GetActiveWebContents();
content::SimulateMouseClickAt(GetWebContentsForInputRouting(), 0,
blink::WebMouseEvent::Button::kMiddle,
GetLinkPosition());
ui_test_utils::TabAddedWaiter(browser()).Wait();
int tab_count = browser()->tab_strip_model()->count();
ASSERT_EQ(2, tab_count);
WebContents* active_web_contents = GetActiveWebContents();
ASSERT_EQ(web_contents, active_web_contents);
WebContents* new_web_contents =
browser()->tab_strip_model()->GetWebContentsAt(1);
ASSERT_TRUE(new_web_contents);
ASSERT_NE(web_contents, new_web_contents);
const GURL& url = new_web_contents->GetURL();
EXPECT_EQ("/pdf/test-internal-link.pdf", url.path());
EXPECT_EQ("page=2&zoom=100,0,200", url.ref());
}
IN_PROC_BROWSER_TEST_F(PDFExtensionInternalLinkClickTest, ShiftLeft) {
LoadTestLinkPdfGetGuestContents();
ASSERT_EQ(1U, chrome::GetTotalBrowserCount());
WebContents* web_contents = GetActiveWebContents();
content::SimulateMouseClickAt(
GetWebContentsForInputRouting(), blink::WebInputEvent::kShiftKey,
blink::WebMouseEvent::Button::kLeft, GetLinkPosition());
ui_test_utils::WaitForBrowserToOpen();
ASSERT_EQ(2U, chrome::GetTotalBrowserCount());
WebContents* active_web_contents =
chrome::FindLastActive()->tab_strip_model()->GetActiveWebContents();
ASSERT_NE(web_contents, active_web_contents);
const GURL& url = active_web_contents->GetURL();
EXPECT_EQ("/pdf/test-internal-link.pdf", url.path());
EXPECT_EQ("page=2&zoom=100,0,200", url.ref());
}
class PDFExtensionClipboardTest : public PDFExtensionTest,
public ui::ClipboardObserver {
public:
PDFExtensionClipboardTest() : guest_contents_(nullptr) {}
~PDFExtensionClipboardTest() override {}
// PDFExtensionTest:
void SetUpOnMainThread() override {
PDFExtensionTest::SetUpOnMainThread();
ui::TestClipboard::CreateForCurrentThread();
}
void TearDownOnMainThread() override {
ui::Clipboard::DestroyClipboardForCurrentThread();
PDFExtensionTest::TearDownOnMainThread();
}
// ui::ClipboardObserver:
void OnClipboardDataChanged() override {
DCHECK(!clipboard_changed_);
clipboard_changed_ = true;
std::move(clipboard_quit_closure_).Run();
}
void LoadTestComboBoxPdfGetGuestContents() {
GURL test_pdf_url(embedded_test_server()->GetURL("/pdf/combobox_form.pdf"));
guest_contents_ = LoadPdfGetGuestContents(test_pdf_url);
ASSERT_TRUE(guest_contents_);
}
// Returns a point near the left edge of the editable combo box in
// combobox_form.pdf, inside the combo box rect. The point is in Blink screen
// coordinates.
//
// The combo box's rect is [100 50 200 80] in PDF user space. (136, 318) in
// Blink page coordinates corresponds to approximately (102, 62) in PDF user
// space coordinates. See PDFExtensionLinkClickTest::GetLinkPosition() for
// more information on all the coordinate systems involved.
gfx::Point GetEditableComboBoxLeftPosition() {
gfx::Point position(136, 318);
ConvertPageCoordToScreenCoord(guest_contents_, &position);
return position;
}
void ClickLeftSideOfEditableComboBox() {
content::SimulateMouseClickAt(GetWebContentsForInputRouting(), 0,
blink::WebMouseEvent::Button::kLeft,
GetEditableComboBoxLeftPosition());
}
void TypeHello() {
auto* web_contents = GetWebContentsForInputRouting();
content::SimulateKeyPress(web_contents, ui::DomKey::FromCharacter('H'),
ui::DomCode::US_H, ui::VKEY_H, false, false,
false, false);
content::SimulateKeyPress(web_contents, ui::DomKey::FromCharacter('E'),
ui::DomCode::US_E, ui::VKEY_E, false, false,
false, false);
content::SimulateKeyPress(web_contents, ui::DomKey::FromCharacter('L'),
ui::DomCode::US_L, ui::VKEY_L, false, false,
false, false);
content::SimulateKeyPress(web_contents, ui::DomKey::FromCharacter('L'),
ui::DomCode::US_L, ui::VKEY_L, false, false,
false, false);
content::SimulateKeyPress(web_contents, ui::DomKey::FromCharacter('O'),
ui::DomCode::US_O, ui::VKEY_O, false, false,
false, false);
}
// Presses the left arrow key.
void PressLeftArrow() {
content::SimulateKeyPressWithoutChar(
GetWebContentsForInputRouting(), ui::DomKey::ARROW_LEFT,
ui::DomCode::ARROW_LEFT, ui::VKEY_LEFT, false, false, false, false);
}
// Presses down shift, presses the left arrow, and lets go of shift.
void PressShiftLeftArrow() {
content::SimulateKeyPressWithoutChar(GetWebContentsForInputRouting(),
ui::DomKey::ARROW_LEFT,
ui::DomCode::ARROW_LEFT, ui::VKEY_LEFT,
false, /*shift=*/true, false, false);
}
// Presses the right arrow key.
void PressRightArrow() {
content::SimulateKeyPressWithoutChar(
GetWebContentsForInputRouting(), ui::DomKey::ARROW_RIGHT,
ui::DomCode::ARROW_RIGHT, ui::VKEY_RIGHT, false, false, false, false);
}
// Presses down shift, presses the right arrow, and lets go of shift.
void PressShiftRightArrow() {
content::SimulateKeyPressWithoutChar(
GetWebContentsForInputRouting(), ui::DomKey::ARROW_RIGHT,
ui::DomCode::ARROW_RIGHT, ui::VKEY_RIGHT, false, /*shift=*/true, false,
false);
}
// Runs `action` and checks the Linux selection clipboard contains `expected`.
void DoActionAndCheckSelectionClipboard(base::OnceClosure action,
const std::string& expected) {
// TODO(crbug.com/1052397): Revisit the macro expression once build flag switch
// of lacros-chrome is complete.
#if defined(OS_LINUX) || BUILDFLAG(IS_CHROMEOS_LACROS)
DoActionAndCheckClipboard(std::move(action),
ui::ClipboardBuffer::kSelection, expected);
#else
// Even though there is no selection clipboard to check, `action` still
// needs to run.
std::move(action).Run();
#endif
}
// Sends a copy command and checks the copy/paste clipboard.
// Note: Trying to send ctrl+c does not work correctly with
// SimulateKeyPress(). Using IDC_COPY does not work on Mac in browser_tests.
void SendCopyCommandAndCheckCopyPasteClipboard(const std::string& expected) {
DoActionAndCheckClipboard(base::BindLambdaForTesting([&]() {
GetWebContentsForInputRouting()->Copy();
}),
ui::ClipboardBuffer::kCopyPaste, expected);
}
content::WebContents* GetWebContentsForInputRouting() {
return guest_contents_;
}
private:
// Runs `action` and checks `clipboard_buffer` contains `expected`.
void DoActionAndCheckClipboard(base::OnceClosure action,
ui::ClipboardBuffer clipboard_buffer,
const std::string& expected) {
ui::ClipboardMonitor::GetInstance()->AddObserver(this);
DCHECK(!clipboard_changed_);
DCHECK(!clipboard_quit_closure_);
base::RunLoop run_loop;
clipboard_quit_closure_ = run_loop.QuitClosure();
std::move(action).Run();
run_loop.Run();
EXPECT_TRUE(clipboard_changed_);
clipboard_changed_ = false;
ui::ClipboardMonitor::GetInstance()->RemoveObserver(this);
auto* clipboard = ui::Clipboard::GetForCurrentThread();
std::string clipboard_data;
clipboard->ReadAsciiText(clipboard_buffer, /* data_dst=*/nullptr,
&clipboard_data);
EXPECT_EQ(expected, clipboard_data);
}
base::RepeatingClosure clipboard_quit_closure_;
WebContents* guest_contents_;
bool clipboard_changed_ = false;
};
IN_PROC_BROWSER_TEST_F(PDFExtensionClipboardTest,
IndividualShiftRightArrowPresses) {
LoadTestComboBoxPdfGetGuestContents();
// Give the editable combo box focus.
ClickLeftSideOfEditableComboBox();
TypeHello();
// Put the cursor back to the left side of the combo box.
ClickLeftSideOfEditableComboBox();
// Press shift + right arrow 3 times. Letting go of shift in between.
auto action = base::BindLambdaForTesting([&]() { PressShiftRightArrow(); });
DoActionAndCheckSelectionClipboard(action, "H");
DoActionAndCheckSelectionClipboard(action, "HE");
DoActionAndCheckSelectionClipboard(action, "HEL");
SendCopyCommandAndCheckCopyPasteClipboard("HEL");
}
// TODO(crbug.com/897801): test is flaky.
IN_PROC_BROWSER_TEST_F(PDFExtensionClipboardTest,
DISABLED_IndividualShiftLeftArrowPresses) {
LoadTestComboBoxPdfGetGuestContents();
// Give the editable combo box focus.
ClickLeftSideOfEditableComboBox();
TypeHello();
// Put the cursor back to the left side of the combo box.
ClickLeftSideOfEditableComboBox();
for (int i = 0; i < 3; ++i)
PressRightArrow();
// Press shift + left arrow 2 times. Letting go of shift in between.
auto action = base::BindLambdaForTesting([&]() { PressShiftLeftArrow(); });
DoActionAndCheckSelectionClipboard(action, "L");
DoActionAndCheckSelectionClipboard(action, "EL");
SendCopyCommandAndCheckCopyPasteClipboard("EL");
// Press shift + left arrow 2 times. Letting go of shift in between.
DoActionAndCheckSelectionClipboard(action, "HEL");
DoActionAndCheckSelectionClipboard(action, "HEL");
SendCopyCommandAndCheckCopyPasteClipboard("HEL");
}
IN_PROC_BROWSER_TEST_F(PDFExtensionClipboardTest,
CombinedShiftRightArrowPresses) {
LoadTestComboBoxPdfGetGuestContents();
// Give the editable combo box focus.
ClickLeftSideOfEditableComboBox();
TypeHello();
// Put the cursor back to the left side of the combo box.
ClickLeftSideOfEditableComboBox();
// Press shift + right arrow 3 times. Holding down shift in between.
{
content::ScopedSimulateModifierKeyPress hold_shift(
GetWebContentsForInputRouting(), false, true, false, false);
auto action = base::BindLambdaForTesting([&]() {
hold_shift.KeyPressWithoutChar(ui::DomKey::ARROW_RIGHT,
ui::DomCode::ARROW_RIGHT, ui::VKEY_RIGHT);
});
DoActionAndCheckSelectionClipboard(action, "H");
DoActionAndCheckSelectionClipboard(action, "HE");
DoActionAndCheckSelectionClipboard(action, "HEL");
}
SendCopyCommandAndCheckCopyPasteClipboard("HEL");
}
// Flaky on ChromeOS (https://crbug.com/1121446)
// TODO(crbug.com/1052397): Revisit once build flag switch of lacros-chrome is
// complete.
#if defined(OS_LINUX) || BUILDFLAG(IS_CHROMEOS_LACROS)
#define MAYBE_CombinedShiftArrowPresses DISABLED_CombinedShiftArrowPresses
#else
#define MAYBE_CombinedShiftArrowPresses CombinedShiftArrowPresses
#endif
IN_PROC_BROWSER_TEST_F(PDFExtensionClipboardTest,
MAYBE_CombinedShiftArrowPresses) {
LoadTestComboBoxPdfGetGuestContents();
// Give the editable combo box focus.
ClickLeftSideOfEditableComboBox();
TypeHello();
// Put the cursor back to the left side of the combo box.
ClickLeftSideOfEditableComboBox();
for (int i = 0; i < 3; ++i)
PressRightArrow();
// Press shift + left arrow 3 times. Holding down shift in between.
{
content::ScopedSimulateModifierKeyPress hold_shift(
GetWebContentsForInputRouting(), false, true, false, false);
auto action = base::BindLambdaForTesting([&]() {
hold_shift.KeyPressWithoutChar(ui::DomKey::ARROW_LEFT,
ui::DomCode::ARROW_LEFT, ui::VKEY_LEFT);
});
DoActionAndCheckSelectionClipboard(action, "L");
DoActionAndCheckSelectionClipboard(action, "EL");
DoActionAndCheckSelectionClipboard(action, "HEL");
}
SendCopyCommandAndCheckCopyPasteClipboard("HEL");
// Press shift + right arrow 2 times. Holding down shift in between.
{
content::ScopedSimulateModifierKeyPress hold_shift(
GetWebContentsForInputRouting(), false, true, false, false);
auto action = base::BindLambdaForTesting([&]() {
hold_shift.KeyPressWithoutChar(ui::DomKey::ARROW_RIGHT,
ui::DomCode::ARROW_RIGHT, ui::VKEY_RIGHT);
});
DoActionAndCheckSelectionClipboard(action, "EL");
DoActionAndCheckSelectionClipboard(action, "L");
}
SendCopyCommandAndCheckCopyPasteClipboard("L");
}
// Verifies that an <embed> of size zero will still instantiate a guest and post
// message to the <embed> is correctly forwarded to the extension. This is for
// catching future regression in docs/ and slides/ pages (see
// https://crbug.com/763812).
IN_PROC_BROWSER_TEST_F(PDFExtensionTest, PostMessageForZeroSizedEmbed) {
content::DOMMessageQueue queue;
GURL url(embedded_test_server()->GetURL(
"/pdf/post_message_zero_sized_embed.html"));
ui_test_utils::NavigateToURL(browser(), url);
std::string message;
EXPECT_TRUE(queue.WaitForMessage(&message));
EXPECT_EQ("\"POST_MESSAGE_OK\"", message);
}
// In response to the events sent in |send_events|, ensures the PDF viewer zooms
// in and that the viewer's custom pinch zooming mechanism is used to do so.
void EnsureCustomPinchZoomInvoked(WebContents* guest_contents,
WebContents* contents,
base::OnceClosure send_events) {
ASSERT_TRUE(content::ExecuteScript(
guest_contents,
"var gestureDetector = new GestureDetector(viewer.plugin_); "
"var updatePromise = new Promise(function(resolve) { "
" gestureDetector.getEventTarget().addEventListener('pinchupdate', "
"resolve); "
"});"));
zoom::ZoomChangedWatcher zoom_watcher(
contents,
base::BindRepeating(
[](const zoom::ZoomController::ZoomChangedEventData& event) {
return event.new_zoom_level > event.old_zoom_level &&
event.zoom_mode == zoom::ZoomController::ZOOM_MODE_MANUAL &&
!event.can_show_bubble;
}));
std::move(send_events).Run();
bool got_update;
ASSERT_TRUE(content::ExecuteScriptAndExtractBool(
guest_contents,
"updatePromise.then(function(update) { "
" window.domAutomationController.send(!!update); "
"});",
&got_update));
EXPECT_TRUE(got_update);
zoom_watcher.Wait();
// Check that the browser's native pinch zoom was prevented.
double scale_factor;
ASSERT_TRUE(content::ExecuteScriptAndExtractDouble(
contents,
"window.domAutomationController.send(window.visualViewport.scale);",
&scale_factor));
EXPECT_DOUBLE_EQ(1.0, scale_factor);
}
// Ensure that touchpad pinch events are handled by the PDF viewer.
IN_PROC_BROWSER_TEST_F(PDFExtensionTest, TouchpadPinchInvokesCustomZoom) {
GURL test_pdf_url(embedded_test_server()->GetURL("/pdf/test.pdf"));
WebContents* guest_contents = LoadPdfGetGuestContents(test_pdf_url);
ASSERT_TRUE(guest_contents);
base::OnceClosure send_pinch = base::BindOnce(
[](WebContents* guest_contents) {
const gfx::Rect guest_rect = guest_contents->GetContainerBounds();
const gfx::Point mouse_position(guest_rect.width() / 2,
guest_rect.height() / 2);
content::SimulateGesturePinchSequence(
guest_contents, mouse_position, 1.23,
blink::WebGestureDevice::kTouchpad);
},
guest_contents);
EnsureCustomPinchZoomInvoked(guest_contents, GetActiveWebContents(),
std::move(send_pinch));
}
#if !defined(OS_MAC)
// Ensure that ctrl-wheel events are handled by the PDF viewer.
IN_PROC_BROWSER_TEST_F(PDFExtensionTest, CtrlWheelInvokesCustomZoom) {
GURL test_pdf_url(embedded_test_server()->GetURL("/pdf/test.pdf"));
WebContents* guest_contents = LoadPdfGetGuestContents(test_pdf_url);
ASSERT_TRUE(guest_contents);
base::OnceClosure send_ctrl_wheel = base::BindOnce(
[](WebContents* guest_contents) {
const gfx::Rect guest_rect = guest_contents->GetContainerBounds();
const gfx::Point mouse_position(guest_rect.width() / 2,
guest_rect.height() / 2);
content::SimulateMouseWheelCtrlZoomEvent(
guest_contents, mouse_position, true,
blink::WebMouseWheelEvent::kPhaseBegan);
},
guest_contents);
EnsureCustomPinchZoomInvoked(guest_contents, GetActiveWebContents(),
std::move(send_ctrl_wheel));
}
// Flaky on ChromeOS (https://crbug.com/922974)
#if BUILDFLAG(IS_CHROMEOS_ASH)
#define MAYBE_TouchscreenPinchInvokesCustomZoom \
DISABLED_TouchscreenPinchInvokesCustomZoom
#else
#define MAYBE_TouchscreenPinchInvokesCustomZoom \
TouchscreenPinchInvokesCustomZoom
#endif
IN_PROC_BROWSER_TEST_F(PDFExtensionTest,
MAYBE_TouchscreenPinchInvokesCustomZoom) {
GURL test_pdf_url(embedded_test_server()->GetURL("/pdf/test.pdf"));
WebContents* guest_contents = LoadPdfGetGuestContents(test_pdf_url);
ASSERT_TRUE(guest_contents);
base::OnceClosure send_touchscreen_pinch = base::BindOnce(
[](WebContents* guest_contents) {
const gfx::Rect guest_rect = guest_contents->GetContainerBounds();
const gfx::PointF anchor_position(guest_rect.width() / 2,
guest_rect.height() / 2);
base::RunLoop run_loop;
content::SimulateTouchscreenPinch(guest_contents, anchor_position, 1.2f,
run_loop.QuitClosure());
run_loop.Run();
},
guest_contents);
EnsureCustomPinchZoomInvoked(guest_contents, GetActiveWebContents(),
std::move(send_touchscreen_pinch));
}
#endif // !defined(OS_MAC)
using PDFExtensionHitTestTest = PDFExtensionTest;
// Flaky in nearly all configurations; see https://crbug.com/856169.
IN_PROC_BROWSER_TEST_F(PDFExtensionHitTestTest, DISABLED_MouseLeave) {
GURL url = embedded_test_server()->GetURL("/pdf/pdf_embed.html");
// Load page with embedded PDF and make sure it succeeds.
ASSERT_TRUE(LoadPdf(url));
WebContents* guest_contents = nullptr;
WebContents* embedder_contents = GetActiveWebContents();
content::BrowserPluginGuestManager* guest_manager =
embedder_contents->GetBrowserContext()->GetGuestManager();
ASSERT_NO_FATAL_FAILURE(guest_manager->ForEachGuest(
embedder_contents,
base::BindRepeating(&GetGuestCallback, &guest_contents)));
ASSERT_NE(nullptr, guest_contents);
content::WaitForHitTestData(guest_contents);
gfx::Point point_in_parent(250, 25);
gfx::Point point_in_pdf(250, 250);
// Inject script to count MouseLeaves in the PDF.
ASSERT_TRUE(content::ExecuteScript(
guest_contents,
"var enter_count = 0;\n"
"var leave_count = 0;\n"
"document.addEventListener('mouseenter', function (){\n"
" enter_count++;"
"});\n"
"document.addEventListener('mouseleave', function (){\n"
" leave_count++;"
"});"));
// Inject some MouseMoves to invoke a MouseLeave in the PDF.
content::SimulateMouseEvent(embedder_contents,
blink::WebInputEvent::Type::kMouseMove,
point_in_parent);
content::SimulateMouseEvent(
embedder_contents, blink::WebInputEvent::Type::kMouseMove, point_in_pdf);
content::SimulateMouseEvent(embedder_contents,
blink::WebInputEvent::Type::kMouseMove,
point_in_parent);
// Verify MouseEnter, MouseLeave received.
int leave_count = 0;
do {
ASSERT_TRUE(ExecuteScriptAndExtractInt(
guest_contents, "window.domAutomationController.send(leave_count);",
&leave_count));
} while (!leave_count);
int enter_count = 0;
ASSERT_TRUE(ExecuteScriptAndExtractInt(
guest_contents, "window.domAutomationController.send(enter_count);",
&enter_count));
EXPECT_EQ(1, enter_count);
}
IN_PROC_BROWSER_TEST_F(PDFExtensionHitTestTest, ContextMenuCoordinates) {
GURL url = embedded_test_server()->GetURL("/pdf/pdf_embed.html");
// Load page with embedded PDF and make sure it succeeds.
ASSERT_TRUE(LoadPdf(url));
WebContents* guest_contents = nullptr;
WebContents* embedder_contents = GetActiveWebContents();
content::BrowserPluginGuestManager* guest_manager =
embedder_contents->GetBrowserContext()->GetGuestManager();
ASSERT_NO_FATAL_FAILURE(guest_manager->ForEachGuest(
embedder_contents,
base::BindRepeating(&GetGuestCallback, &guest_contents)));
ASSERT_NE(nullptr, guest_contents);
content::WaitForHitTestData(guest_contents);
// Get coords for mouse event.
content::RenderWidgetHostView* guest_view =
guest_contents->GetRenderWidgetHostView();
gfx::Point local_context_menu_position(30, 80);
gfx::Point root_context_menu_position =
guest_view->TransformPointToRootCoordSpace(local_context_menu_position);
auto context_menu_interceptor =
std::make_unique<content::ContextMenuInterceptor>();
context_menu_interceptor->Init(guest_contents->GetMainFrame());
ContextMenuWaiter menu_observer;
// Send mouse right-click to activate context menu.
content::SimulateMouseClickAt(embedder_contents, kDefaultKeyModifier,
blink::WebMouseEvent::Button::kRight,
root_context_menu_position);
// We expect the context menu, invoked via the RenderFrameHost, to be using
// root view coordinates.
menu_observer.WaitForMenuOpenAndClose();
ASSERT_EQ(root_context_menu_position.x(), menu_observer.params().x);
ASSERT_EQ(root_context_menu_position.y(), menu_observer.params().y);
// We expect the IPC, received from the renderer, to be using local coords.
context_menu_interceptor->Wait();
blink::UntrustworthyContextMenuParams params =
context_menu_interceptor->get_params();
EXPECT_EQ(local_context_menu_position.x(), params.x);
EXPECT_EQ(local_context_menu_position.y(), params.y);
// TODO(wjmaclean): If it ever becomes possible to filter outgoing IPCs from
// the RenderProcessHost, we should verify the blink.mojom.PluginActionAt
// message is sent with the same coordinates as in the
// UntrustworthyContextMenuParams.
}
#if defined(TOOLKIT_VIEWS) && defined(USE_AURA)
// On text selection, a touch selection menu should pop up. On clicking ellipsis
// icon on the menu, the context menu should open up.
IN_PROC_BROWSER_TEST_F(PDFExtensionTest,
ContextMenuOpensFromTouchSelectionMenu) {
const GURL url = embedded_test_server()->GetURL("/pdf/text_large.pdf");
WebContents* const guest_contents = LoadPdfGetGuestContents(url);
ASSERT_TRUE(guest_contents);
content::WaitForHitTestData(guest_contents);
views::NamedWidgetShownWaiter waiter(views::test::AnyWidgetTestPasskey{},
"TouchSelectionMenuViews");
gfx::Point text_selection_position(12, 12);
ConvertPageCoordToScreenCoord(guest_contents, &text_selection_position);
content::SimulateTouchEventAt(GetActiveWebContents(), ui::ET_TOUCH_PRESSED,
text_selection_position);
bool success = false;
ASSERT_TRUE(content::ExecuteScriptAndExtractBool(
GetActiveWebContents(),
"window.addEventListener('message', function(event) {"
" if (event.data.type == 'touchSelectionOccurred')"
" window.domAutomationController.send(true);"
"});",
&success));
ASSERT_TRUE(success);
content::SimulateTouchEventAt(GetActiveWebContents(), ui::ET_TOUCH_RELEASED,
text_selection_position);
views::Widget* widget = waiter.WaitIfNeededAndGet();
ASSERT_TRUE(widget);
views::View* menu = widget->GetContentsView();
ASSERT_TRUE(menu);
views::View* ellipsis_button = menu->GetViewByID(
views::TouchSelectionMenuViews::ButtonViewId::kEllipsisButton);
ASSERT_TRUE(ellipsis_button);
ContextMenuWaiter context_menu_observer;
ui::GestureEvent tap(0, 0, 0, ui::EventTimeForNow(),
ui::GestureEventDetails(ui::ET_GESTURE_TAP));
ellipsis_button->OnGestureEvent(&tap);
context_menu_observer.WaitForMenuOpenAndClose();
// Verify that the expected context menu items are present.
//
// Note that the assertion below doesn't use exact matching via
// testing::ElementsAre, because some platforms may include unexpected extra
// elements (e.g. an extra separator and IDC=100 has been observed on some Mac
// bots).
EXPECT_THAT(
context_menu_observer.GetCapturedCommandIds(),
testing::IsSupersetOf(
{IDC_CONTENT_CONTEXT_COPY, IDC_CONTENT_CONTEXT_SEARCHWEBFOR,
IDC_PRINT, IDC_CONTENT_CONTEXT_ROTATECW,
IDC_CONTENT_CONTEXT_ROTATECCW, IDC_CONTENT_CONTEXT_INSPECTELEMENT}));
}
#endif // defined(TOOLKIT_VIEWS) && defined(USE_AURA)
// The plugin document and the mime handler should both use the same background
// color.
IN_PROC_BROWSER_TEST_F(PDFExtensionTest, BackgroundColor) {
// The background color for plugins is injected when the first response
// is intercepted, at which point not all the plugins have loaded. This line
// ensures that the PDF plugin has loaded and the right background color is
// beign used.
WaitForPluginServiceToLoad();
WebContents* guest_contents =
LoadPdfGetGuestContents(embedded_test_server()->GetURL("/pdf/test.pdf"));
ASSERT_TRUE(guest_contents);
const std::string script =
"window.domAutomationController.send("
" window.getComputedStyle(document.body, null)."
" getPropertyValue('background-color'))";
std::string outer;
ASSERT_TRUE(content::ExecuteScriptAndExtractString(GetActiveWebContents(),
script, &outer));
std::string inner;
ASSERT_TRUE(
content::ExecuteScriptAndExtractString(guest_contents, script, &inner));
EXPECT_EQ(inner, outer);
}
IN_PROC_BROWSER_TEST_F(PDFExtensionTest, DefaultFocusForEmbeddedPDF) {
GURL url = embedded_test_server()->GetURL("/pdf/pdf_embed.html");
// Load page with embedded PDF and make sure it succeeds.
ASSERT_TRUE(LoadPdf(url));
WebContents* guest_contents = nullptr;
WebContents* embedder_contents = GetActiveWebContents();
content::BrowserPluginGuestManager* guest_manager =
embedder_contents->GetBrowserContext()->GetGuestManager();
ASSERT_NO_FATAL_FAILURE(guest_manager->ForEachGuest(
embedder_contents,
base::BindRepeating(&GetGuestCallback, &guest_contents)));
ASSERT_TRUE(guest_contents);
// Verify that current focus state is body element.
const std::string script =
"const is_plugin_focused = document.activeElement === "
"document.body;"
"window.domAutomationController.send(is_plugin_focused);";
bool result = false;
ASSERT_TRUE(
content::ExecuteScriptAndExtractBool(guest_contents, script, &result));
ASSERT_TRUE(result);
}
IN_PROC_BROWSER_TEST_F(PDFExtensionTest, DefaultFocusForNonEmbeddedPDF) {
GURL test_pdf_url(embedded_test_server()->GetURL("/pdf/test.pdf"));
WebContents* guest_contents = LoadPdfGetGuestContents(test_pdf_url);
ASSERT_TRUE(guest_contents);
// Verify that current focus state is document element.
const std::string script =
"const is_plugin_focused = document.activeElement === "
"document.body;"
"window.domAutomationController.send(is_plugin_focused);";
bool result = false;
ASSERT_TRUE(
content::ExecuteScriptAndExtractBool(guest_contents, script, &result));
ASSERT_TRUE(result);
}
// A helper for waiting for the first request for |url_to_intercept|.
class RequestWaiter {
public:
// Start intercepting requests to |url_to_intercept|.
explicit RequestWaiter(const GURL& url_to_intercept)
: url_to_intercept_(url_to_intercept),
interceptor_(base::BindRepeating(&RequestWaiter::InterceptorCallback,
base::Unretained(this))) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
DCHECK(url_to_intercept.is_valid());
}
void WaitForRequest() {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
if (!IsAlreadyIntercepted())
run_loop_.Run();
DCHECK(IsAlreadyIntercepted());
}
private:
bool InterceptorCallback(
content::URLLoaderInterceptor::RequestParams* params) {
// This method may be called either on the IO or UI thread.
DCHECK(params);
base::AutoLock lock(lock_);
if (url_to_intercept_ != params->url_request.url || already_intercepted_)
return false;
already_intercepted_ = true;
run_loop_.Quit();
return false;
}
bool IsAlreadyIntercepted() {
base::AutoLock lock(lock_);
return already_intercepted_;
}
const GURL url_to_intercept_;
content::URLLoaderInterceptor interceptor_;
base::RunLoop run_loop_;
base::Lock lock_;
bool already_intercepted_ GUARDED_BY(lock_) = false;
DISALLOW_COPY_AND_ASSIGN(RequestWaiter);
};
// This is a regression test for a problem where DidStopLoading didn't get
// propagated from a remote frame into the main frame. See also
// https://crbug.com/964364.
IN_PROC_BROWSER_TEST_F(PDFExtensionTest, DidStopLoading) {
// Prepare to wait for requests for the main page of the MimeHandlerView for
// PDFs.
RequestWaiter interceptor(
GURL("chrome-extension://mhjfbmdgcfjbbpaeojofohoefgiehjai/index.html"));
// Navigate to a page with:
// <embed type="application/pdf" src="test.pdf"></embed>
// <iframe src="/hung"></iframe>
// Afterwards, the main page should be still loading because of the hung
// subframe (but the subframe for the OOPIF-based PDF MimeHandlerView might or
// might not be created at this point).
GURL url = embedded_test_server()->GetURL(
"/pdf/pdf_embed_with_hung_sibling_subframe.html");
ui_test_utils::NavigateToURLWithDisposition(
browser(), url, WindowOpenDisposition::CURRENT_TAB,
ui_test_utils::BROWSER_TEST_NONE); // Don't wait for completion.
// Wait for the request for the MimeHandlerView extension. Afterwards, the
// main page should be still loading because of
// 1) the MimeHandlerView frame is loading
// 2) the hung subframe is loading.
interceptor.WaitForRequest();
// Remove the hung subframe. Afterwards the main page should stop loading as
// soon as the MimeHandlerView frame stops loading (assumming we have not bugs
// similar to https://crbug.com/964364).
content::WebContents* web_contents =
browser()->tab_strip_model()->GetActiveWebContents();
ASSERT_TRUE(content::ExecJs(
web_contents, "document.getElementById('hung_subframe').remove();"));
// MAIN VERIFICATION: Wait for the main frame to report that is has stopped
// loading.
EXPECT_TRUE(content::WaitForLoadStop(web_contents));
}
// This test verifies that it is possible to add an <embed src=pdf> element into
// a new popup window when using document.write. See also
// https://crbug.com/1041880.
IN_PROC_BROWSER_TEST_F(PDFExtensionTest, DocumentWriteIntoNewPopup) {
// Navigate to an empty/boring test page.
GURL main_url(embedded_test_server()->GetURL("/title1.html"));
ui_test_utils::NavigateToURL(browser(), main_url);
// Open a new popup and call document.write to add an embedded PDF.
content::WebContents* popup = nullptr;
{
GURL pdf_url = embedded_test_server()->GetURL("/pdf/test.pdf");
const char kScriptTemplate[] = R"(
const url = $1;
const html = '<embed type="application/pdf" src="' + url + '">';
const popup = window.open('', '_blank');
popup.document.write(html);
)";
content::WebContentsAddedObserver popup_observer;
content::WebContents* web_contents =
browser()->tab_strip_model()->GetActiveWebContents();
ASSERT_TRUE(content::ExecJs(web_contents,
content::JsReplace(kScriptTemplate, pdf_url)));
popup = popup_observer.GetWebContents();
}
// Verify the PDF loaded successfully.
ASSERT_TRUE(pdf_extension_test_util::EnsurePDFHasLoaded(popup));
}
// Tests that the PDF extension loads in the presence of an extension that, on
// the completion of document loading, adds an <iframe> to the body element.
// https://bugs.chromium.org/p/chromium/issues/detail?id=1046795
IN_PROC_BROWSER_TEST_F(PDFExtensionTest,
PdfLoadsWithExtensionThatInjectsFrame) {
// Load the test extension.
const extensions::Extension* test_extension = LoadExtension(
GetTestResourcesParentDir().AppendASCII("pdf/extension_injects_iframe"));
ASSERT_TRUE(test_extension);
// Load the PDF. The call to LoadPdf() will return false if the pdf extension
// fails to load.
GURL test_pdf_url(embedded_test_server()->GetURL("/pdf/test.pdf"));
ASSERT_TRUE(LoadPdf(test_pdf_url));
}
IN_PROC_BROWSER_TEST_F(PDFExtensionTest, Metrics) {
base::HistogramTester histograms;
base::UserActionTester actions;
GURL test_pdf_url(embedded_test_server()->GetURL("/pdf/combobox_form.pdf"));
WebContents* guest_contents = LoadPdfGetGuestContents(test_pdf_url);
ASSERT_TRUE(guest_contents);
metrics::SubprocessMetricsProvider::MergeHistogramDeltasForTesting();
// Histograms.
// Duplicating some constants to avoid reaching into pdf/ internals.
constexpr int kAcroForm = 1;
constexpr int k1_7 = 8;
histograms.ExpectUniqueSample("PDF.FormType", kAcroForm, 1);
histograms.ExpectUniqueSample("PDF.Version", k1_7, 1);
histograms.ExpectUniqueSample("PDF.IsTagged", 0, 1);
histograms.ExpectUniqueSample("PDF.HasAttachment", 0, 1);
// Custom histograms.
histograms.ExpectUniqueSample("PDF.PageCount", 1, 1);
// User actions.
EXPECT_EQ(1, actions.GetActionCount("PDF.LoadSuccess"));
}
// Flaky. See https://crbug.com/1101514.
IN_PROC_BROWSER_TEST_F(PDFExtensionTest, DISABLED_TabInAndOutOfPDFPlugin) {
GURL test_pdf_url(embedded_test_server()->GetURL("/pdf/test.pdf"));
content::WebContents* guest_contents = LoadPdfGetGuestContents(test_pdf_url);
ASSERT_TRUE(guest_contents);
// Set focus on last toolbar element (zoom-out-button).
ASSERT_TRUE(
content::ExecuteScript(guest_contents,
R"(viewer.shadowRoot.querySelector('#zoom-toolbar')
.$['zoom-out-button']
.$$('cr-icon-button')
.focus();)"));
// The script will ensure we return the the focused element on focus.
const char kScript[] = R"(
const plugin = viewer.shadowRoot.querySelector('#plugin');
plugin.addEventListener('focus', () => {
window.domAutomationController.send('plugin');
});
const button = viewer.shadowRoot.querySelector('#zoom-toolbar')
.$['zoom-out-button']
.$$('cr-icon-button');
button.addEventListener('focus', () => {
window.domAutomationController.send('zoom-out-button');
});
)";
ASSERT_TRUE(content::ExecuteScript(guest_contents, kScript));
// Helper to simulate a tab press and wait for a focus message.
auto press_tab_and_wait_for_message = [guest_contents](bool reverse) {
content::DOMMessageQueue msg_queue;
std::string reply;
SimulateKeyPress(guest_contents, ui::DomKey::TAB, ui::DomCode::TAB,
ui::VKEY_TAB, false, /*shift=*/reverse, false, false);
EXPECT_TRUE(msg_queue.WaitForMessage(&reply));
return reply;
};
// Press <tab> and ensure that PDF document receives focus.
EXPECT_EQ("\"plugin\"", press_tab_and_wait_for_message(false));
// Press <shift-tab> and ensure that last toolbar element (zoom-out-button)
// receives focus.
EXPECT_EQ("\"zoom-out-button\"", press_tab_and_wait_for_message(true));
}
// This test suite does a simple text-extraction based on the accessibility
// internals, breaking lines & paragraphs where appropriate. Unlike
// TreeDumpTests, this allows us to verify the kNextOnLine and kPreviousOnLine
// relationships.
class PDFExtensionAccessibilityTextExtractionTest : public PDFExtensionTest {
public:
PDFExtensionAccessibilityTextExtractionTest() = default;
~PDFExtensionAccessibilityTextExtractionTest() override = default;
void RunTextExtractionTest(const base::FilePath::CharType* pdf_file) {
base::FilePath test_path = ui_test_utils::GetTestFilePath(
base::FilePath(FILE_PATH_LITERAL("pdf")),
base::FilePath(FILE_PATH_LITERAL("accessibility")));
{
base::ScopedAllowBlockingForTesting allow_blocking;
ASSERT_TRUE(base::PathExists(test_path)) << test_path.LossyDisplayName();
}
base::FilePath pdf_path = test_path.Append(pdf_file);
RunTest(pdf_path, "pdf/accessibility");
}
protected:
const std::vector<base::Feature> GetEnabledFeatures() const override {
std::vector<base::Feature> enabled = PDFExtensionTest::GetEnabledFeatures();
enabled.push_back(chrome_pdf::features::kAccessiblePDFForm);
return enabled;
}
private:
void RunTest(const base::FilePath& test_file_path, const char* file_dir) {
// Load the expectation file.
content::DumpAccessibilityTestHelper test_helper("content");
base::Optional<base::FilePath> expected_file_path =
test_helper.GetExpectationFilePath(test_file_path);
ASSERT_TRUE(expected_file_path) << "No expectation file present.";
base::Optional<std::vector<std::string>> expected_lines =
test_helper.LoadExpectationFile(*expected_file_path);
ASSERT_TRUE(expected_lines) << "Couldn't load expectation file.";
// Enable accessibility and load the test file.
content::BrowserAccessibilityState::GetInstance()->EnableAccessibility();
GURL test_pdf_url(embedded_test_server()->GetURL(
"/" + std::string(file_dir) + "/" +
test_file_path.BaseName().MaybeAsASCII()));
WebContents* guest_contents = LoadPdfGetGuestContents(test_pdf_url);
ASSERT_TRUE(guest_contents);
WaitForAccessibilityTreeToContainNodeWithName(guest_contents, "Page 1");
// Extract the text content.
ui::AXTreeUpdate ax_tree = GetAccessibilityTreeSnapshot(guest_contents);
auto actual_lines = CollectLines(ax_tree);
// Validate the dump against the expectation file.
EXPECT_TRUE(test_helper.ValidateAgainstExpectation(
test_file_path, *expected_file_path, actual_lines, *expected_lines));
}
private:
std::vector<std::string> CollectLines(ui::AXTreeUpdate ax_tree) {
std::vector<std::string> lines;
int previous_node_id = 0;
int previous_node_next_id = 0;
std::string line;
bool found_embedded_object = false;
for (const auto& node : ax_tree.nodes) {
// Ignore everything before the embedded object (the root of the PDF).
if (node.role == ax::mojom::Role::kEmbeddedObject)
found_embedded_object = true;
if (!found_embedded_object)
continue;
// StaticText begins a new paragraph.
if (node.role == ax::mojom::Role::kStaticText && !line.empty()) {
lines.push_back(line);
lines.push_back("\u00b6"); // pilcrow/paragraph mark, Alt+0182
line.clear();
}
// We collect all inline text boxes within the paragraph.
if (node.role != ax::mojom::Role::kInlineTextBox)
continue;
std::string name =
node.GetStringAttribute(ax::mojom::StringAttribute::kName);
base::StringPiece trimmed_name =
base::TrimString(name, "\r\n", base::TRIM_TRAILING);
int prev_id =
node.GetIntAttribute(ax::mojom::IntAttribute::kPreviousOnLineId);
if (previous_node_next_id == node.id) {
// Previous node pointed to us, so we are part of the same line.
EXPECT_EQ(previous_node_id, prev_id)
<< "Expect this node to point to previous node.";
line.append(trimmed_name.data(), trimmed_name.size());
} else {
// Not linked with the previous node; this is a new line.
EXPECT_EQ(previous_node_next_id, 0)
<< "Previous node pointed to something unexpected.";
EXPECT_EQ(prev_id, 0)
<< "Our back pointer points to something unexpected.";
if (!line.empty())
lines.push_back(line);
line = trimmed_name.as_string();
}
previous_node_id = node.id;
previous_node_next_id =
node.GetIntAttribute(ax::mojom::IntAttribute::kNextOnLineId);
}
if (!line.empty())
lines.push_back(line);
return lines;
}
};
// Test that Previous/NextOnLineId attributes are present and properly linked on
// InlineTextBoxes within a line.
IN_PROC_BROWSER_TEST_F(PDFExtensionAccessibilityTextExtractionTest,
NextOnLine) {
RunTextExtractionTest(FILE_PATH_LITERAL("next-on-line.pdf"));
}
// Test that a drop-cap is grouped with the correct line.
IN_PROC_BROWSER_TEST_F(PDFExtensionAccessibilityTextExtractionTest, DropCap) {
RunTextExtractionTest(FILE_PATH_LITERAL("drop-cap.pdf"));
}
// Test that simulated superscripts and subscripts don't cause a line break.
IN_PROC_BROWSER_TEST_F(PDFExtensionAccessibilityTextExtractionTest,
SuperscriptSubscript) {
RunTextExtractionTest(FILE_PATH_LITERAL("superscript-subscript.pdf"));
}
// Test that simple font and font-size changes in the middle of a line don't
// cause line breaks.
IN_PROC_BROWSER_TEST_F(PDFExtensionAccessibilityTextExtractionTest,
FontChange) {
RunTextExtractionTest(FILE_PATH_LITERAL("font-change.pdf"));
}
// Test one property of pdf_private/accessibility_crash_2.pdf, where a page has
// only whitespace characters.
IN_PROC_BROWSER_TEST_F(PDFExtensionAccessibilityTextExtractionTest,
OnlyWhitespaceText) {
RunTextExtractionTest(FILE_PATH_LITERAL("whitespace.pdf"));
}
// Test data of inline text boxes for PDF with weblinks.
IN_PROC_BROWSER_TEST_F(PDFExtensionAccessibilityTextExtractionTest, WebLinks) {
RunTextExtractionTest(FILE_PATH_LITERAL("weblinks.pdf"));
}
// Test data of inline text boxes for PDF with highlights.
IN_PROC_BROWSER_TEST_F(PDFExtensionAccessibilityTextExtractionTest,
Highlights) {
RunTextExtractionTest(FILE_PATH_LITERAL("highlights.pdf"));
}
// Test data of inline text boxes for PDF with text fields.
IN_PROC_BROWSER_TEST_F(PDFExtensionAccessibilityTextExtractionTest,
TextFields) {
RunTextExtractionTest(FILE_PATH_LITERAL("text_fields.pdf"));
}
// Test data of inline text boxes for PDF with multi-line and various font-sized
// text.
IN_PROC_BROWSER_TEST_F(PDFExtensionAccessibilityTextExtractionTest,
ParagraphsAndHeadingUntagged) {
RunTextExtractionTest(
FILE_PATH_LITERAL("paragraphs-and-heading-untagged.pdf"));
}
// Test data of inline text boxes for PDF with text, weblinks, images and
// annotation links.
IN_PROC_BROWSER_TEST_F(PDFExtensionAccessibilityTextExtractionTest,
LinksImagesAndText) {
RunTextExtractionTest(FILE_PATH_LITERAL("text-image-link.pdf"));
}
// Test data of inline text boxes for PDF with overlapping annotations.
IN_PROC_BROWSER_TEST_F(PDFExtensionAccessibilityTextExtractionTest,
OverlappingAnnots) {
RunTextExtractionTest(FILE_PATH_LITERAL("overlapping-annots.pdf"));
}
using AXInspectType = AXInspectFactory::Type;
class PDFExtensionAccessibilityTreeDumpTest
: public PDFExtensionTest,
public ::testing::WithParamInterface<AXInspectType> {
public:
PDFExtensionAccessibilityTreeDumpTest() : test_helper_(GetParam()) {}
~PDFExtensionAccessibilityTreeDumpTest() override = default;
void SetUpCommandLine(base::CommandLine* command_line) override {
PDFExtensionTest::SetUpCommandLine(command_line);
// Each test pass might require custom command-line setup
test_helper_.SetUpCommandLine(command_line);
}
protected:
const std::vector<base::Feature> GetEnabledFeatures() const override {
std::vector<base::Feature> enabled = {
chrome_pdf::features::kAccessiblePDFForm,
};
return enabled;
}
void RunPDFTest(const base::FilePath::CharType* pdf_file) {
base::FilePath test_path = ui_test_utils::GetTestFilePath(
base::FilePath(FILE_PATH_LITERAL("pdf")),
base::FilePath(FILE_PATH_LITERAL("accessibility")));
{
base::ScopedAllowBlockingForTesting allow_blocking;
ASSERT_TRUE(base::PathExists(test_path)) << test_path.LossyDisplayName();
}
base::FilePath pdf_path = test_path.Append(pdf_file);
RunTest(pdf_path, "pdf/accessibility");
}
private:
using AXPropertyFilter = ui::AXPropertyFilter;
// See chrome/test/data/pdf/accessibility/readme.md for more info.
content::DumpAccessibilityTestHelper::Scenario ParsePdfForExtraDirectives(
const std::string& pdf_contents) {
const char kCommentMark = '%';
std::vector<std::string> lines;
for (const std::string& line : base::SplitString(
pdf_contents, "\n", base::TRIM_WHITESPACE, base::SPLIT_WANT_ALL)) {
if (line.size() > 1 && line[0] == kCommentMark) {
// Remove first character since it's the comment mark.
lines.push_back(line.substr(1));
}
}
return test_helper_.ParseScenario(lines, DefaultFilters());
}
void RunTest(const base::FilePath& test_file_path, const char* file_dir) {
std::string pdf_contents;
{
base::ScopedAllowBlockingForTesting allow_blocking;
ASSERT_TRUE(base::ReadFileToString(test_file_path, &pdf_contents));
}
// Set up the tree formatter. Parse filters and other directives in the test
// file.
content::DumpAccessibilityTestHelper::Scenario scenario =
ParsePdfForExtraDirectives(pdf_contents);
std::unique_ptr<AXTreeFormatter> formatter =
AXInspectFactory::CreateFormatter(GetParam());
formatter->SetPropertyFilters(scenario.property_filters,
AXTreeFormatter::kFiltersDefaultSet);
// Exit without running the test if we can't find an expectation file or if
// the expectation file contains a skip marker.
// This is used to skip certain tests on certain platforms.
base::FilePath expected_file_path =
test_helper_.GetExpectationFilePath(test_file_path);
if (expected_file_path.empty()) {
LOG(INFO) << "No expectation file present, ignoring test on this "
"platform.";
return;
}
base::Optional<std::vector<std::string>> expected_lines =
test_helper_.LoadExpectationFile(expected_file_path);
if (!expected_lines) {
LOG(INFO) << "Skipping this test on this platform.";
return;
}
// Enable accessibility and load the test file.
content::BrowserAccessibilityState::GetInstance()->EnableAccessibility();
GURL test_pdf_url(embedded_test_server()->GetURL(
"/" + std::string(file_dir) + "/" +
test_file_path.BaseName().MaybeAsASCII()));
WebContents* guest_contents = LoadPdfGetGuestContents(test_pdf_url);
ASSERT_TRUE(guest_contents);
WaitForAccessibilityTreeToContainNodeWithName(guest_contents, "Page 1");
// Find the embedded PDF and dump the accessibility tree.
content::FindAccessibilityNodeCriteria find_criteria;
find_criteria.role = ax::mojom::Role::kEmbeddedObject;
ui::AXPlatformNodeDelegate* pdf_root =
content::FindAccessibilityNode(guest_contents, find_criteria);
CHECK(pdf_root);
std::string actual_contents = formatter->Format(pdf_root);
std::vector<std::string> actual_lines =
base::SplitString(actual_contents, "\n", base::KEEP_WHITESPACE,
base::SPLIT_WANT_NONEMPTY);
// Validate the dump against the expectation file.
EXPECT_TRUE(test_helper_.ValidateAgainstExpectation(
test_file_path, expected_file_path, actual_lines, *expected_lines));
}
std::vector<AXPropertyFilter> DefaultFilters() const {
std::vector<AXPropertyFilter> property_filters;
property_filters.emplace_back("value='*'", AXPropertyFilter::ALLOW);
// The value attribute on the document object contains the URL of the
// current page which will not be the same every time the test is run.
// The PDF plugin uses the 'chrome-extension' protocol, so block that as
// well.
property_filters.emplace_back("value='http*'", AXPropertyFilter::DENY);
property_filters.emplace_back("value='chrome-extension*'",
AXPropertyFilter::DENY);
// Object attributes.value
property_filters.emplace_back("layout-guess:*", AXPropertyFilter::ALLOW);
property_filters.emplace_back("select*", AXPropertyFilter::ALLOW);
property_filters.emplace_back("descript*", AXPropertyFilter::ALLOW);
property_filters.emplace_back("check*", AXPropertyFilter::ALLOW);
property_filters.emplace_back("horizontal", AXPropertyFilter::ALLOW);
property_filters.emplace_back("multiselectable", AXPropertyFilter::ALLOW);
property_filters.emplace_back("isPageBreakingObject*",
AXPropertyFilter::ALLOW);
// Deny most empty values
property_filters.emplace_back("*=''", AXPropertyFilter::DENY);
// After denying empty values, because we want to allow name=''
property_filters.emplace_back("name=*", AXPropertyFilter::ALLOW_EMPTY);
return property_filters;
}
content::DumpAccessibilityTestHelper test_helper_;
};
// Parameterize the tests so that each test-pass is run independently.
struct DumpAccessibilityTreeTestPassToString {
std::string operator()(
const ::testing::TestParamInfo<AXInspectType>& i) const {
return std::string(i.param);
}
};
// Constructs a list of accessibility tests, one for each accessibility tree
// formatter testpasses.
const std::vector<AXInspectFactory::Type> GetAXTestValues() {
std::vector<AXInspectFactory::Type> passes =
content::DumpAccessibilityTestHelper::TreeTestPasses();
return passes;
}
INSTANTIATE_TEST_SUITE_P(All,
PDFExtensionAccessibilityTreeDumpTest,
testing::ValuesIn(GetAXTestValues()),
DumpAccessibilityTreeTestPassToString());
IN_PROC_BROWSER_TEST_P(PDFExtensionAccessibilityTreeDumpTest, HelloWorld) {
RunPDFTest(FILE_PATH_LITERAL("hello-world.pdf"));
}
IN_PROC_BROWSER_TEST_P(PDFExtensionAccessibilityTreeDumpTest,
ParagraphsAndHeadingUntagged) {
RunPDFTest(FILE_PATH_LITERAL("paragraphs-and-heading-untagged.pdf"));
}
IN_PROC_BROWSER_TEST_P(PDFExtensionAccessibilityTreeDumpTest, MultiPage) {
RunPDFTest(FILE_PATH_LITERAL("multi-page.pdf"));
}
IN_PROC_BROWSER_TEST_P(PDFExtensionAccessibilityTreeDumpTest,
DirectionalTextRuns) {
RunPDFTest(FILE_PATH_LITERAL("directional-text-runs.pdf"));
}
IN_PROC_BROWSER_TEST_P(PDFExtensionAccessibilityTreeDumpTest, TextDirection) {
RunPDFTest(FILE_PATH_LITERAL("text-direction.pdf"));
}
IN_PROC_BROWSER_TEST_P(PDFExtensionAccessibilityTreeDumpTest, WebLinks) {
RunPDFTest(FILE_PATH_LITERAL("weblinks.pdf"));
}
IN_PROC_BROWSER_TEST_P(PDFExtensionAccessibilityTreeDumpTest,
OverlappingLinks) {
RunPDFTest(FILE_PATH_LITERAL("overlapping-links.pdf"));
}
IN_PROC_BROWSER_TEST_P(PDFExtensionAccessibilityTreeDumpTest, Highlights) {
RunPDFTest(FILE_PATH_LITERAL("highlights.pdf"));
}
IN_PROC_BROWSER_TEST_P(PDFExtensionAccessibilityTreeDumpTest, TextFields) {
RunPDFTest(FILE_PATH_LITERAL("text_fields.pdf"));
}
IN_PROC_BROWSER_TEST_P(PDFExtensionAccessibilityTreeDumpTest, Images) {
RunPDFTest(FILE_PATH_LITERAL("image_alt_text.pdf"));
}
IN_PROC_BROWSER_TEST_P(PDFExtensionAccessibilityTreeDumpTest,
LinksImagesAndText) {
RunPDFTest(FILE_PATH_LITERAL("text-image-link.pdf"));
}
IN_PROC_BROWSER_TEST_P(PDFExtensionAccessibilityTreeDumpTest,
TextRunStyleHeuristic) {
RunPDFTest(FILE_PATH_LITERAL("text-run-style-heuristic.pdf"));
}
IN_PROC_BROWSER_TEST_P(PDFExtensionAccessibilityTreeDumpTest, TextStyle) {
RunPDFTest(FILE_PATH_LITERAL("text-style.pdf"));
}
// TODO(https://crbug.com/1172026)
IN_PROC_BROWSER_TEST_P(PDFExtensionAccessibilityTreeDumpTest, XfaFields) {
RunPDFTest(FILE_PATH_LITERAL("xfa_fields.pdf"));
}
// This test suite validates the navigation done using the accessibility client.
using PDFExtensionAccessibilityNavigationTest = PDFExtensionTest;
IN_PROC_BROWSER_TEST_F(PDFExtensionAccessibilityNavigationTest,
LinkNavigation) {
// Enable accessibility and load the test file.
content::BrowserAccessibilityState::GetInstance()->EnableAccessibility();
GURL url(embedded_test_server()->GetURL("/pdf/accessibility/weblinks.pdf"));
WebContents* guest_contents = LoadPdfGetGuestContents(url);
ASSERT_TRUE(guest_contents);
WaitForAccessibilityTreeToContainNodeWithName(guest_contents, "Page 1");
// Find the specific link node.
content::FindAccessibilityNodeCriteria find_criteria;
find_criteria.role = ax::mojom::Role::kLink;
find_criteria.name = "http://bing.com";
ui::AXPlatformNodeDelegate* link_node =
content::FindAccessibilityNode(guest_contents, find_criteria);
ASSERT_TRUE(link_node);
// Invoke action on a link and wait for navigation to complete.
content::AccessibilityNotificationWaiter event_waiter(
GetActiveWebContents(), ui::kAXModeComplete,
ax::mojom::Event::kLoadComplete);
ui::AXActionData action_data;
action_data.action = ax::mojom::Action::kDoDefault;
action_data.target_node_id = link_node->GetData().id;
link_node->AccessibilityPerformAction(action_data);
event_waiter.WaitForNotification();
// Test that navigation occurred correctly.
const GURL& expected_url = GetActiveWebContents()->GetURL();
EXPECT_EQ("https://bing.com/", expected_url.spec());
}