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chromium / chromium / src / e89d67b6a314e2334ebc22ab6e8997fb357c306e / . / chrome / browser / pdf / pdf_extension_test.cc
blob: baa09936fed1e062edf70a83c81a965ab7b3a106 [file] [log] [blame]
// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <stddef.h>
#include <string>
#include <vector>
#include "base/files/file_enumerator.h"
#include "base/files/file_util.h"
#include "base/functional/bind.h"
#include "base/hash/hash.h"
#include "base/logging.h"
#include "base/path_service.h"
#include "base/ranges/algorithm.h"
#include "base/run_loop.h"
#include "base/strings/string_piece.h"
#include "base/strings/stringprintf.h"
#include "base/strings/utf_string_conversions.h"
#include "base/synchronization/lock.h"
#include "base/task/single_thread_task_runner.h"
#include "base/test/bind.h"
#include "base/test/metrics/histogram_tester.h"
#include "base/test/metrics/user_action_tester.h"
#include "base/test/test_timeouts.h"
#include "base/test/with_feature_override.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 "cc/input/scroll_utils.h"
#include "chrome/browser/download/download_prefs.h"
#include "chrome/browser/pdf/pdf_extension_test_base.h"
#include "chrome/browser/pdf/pdf_extension_test_util.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_commands.h"
#include "chrome/browser/ui/browser_finder.h"
#include "chrome/browser/ui/tabs/tab_enums.h"
#include "chrome/browser/ui/tabs/tab_strip_model.h"
#include "chrome/browser/ui/views/frame/browser_view.h"
#include "chrome/common/chrome_features.h"
#include "chrome/common/chrome_paths.h"
#include "chrome/common/pref_names.h"
#include "chrome/common/webui_url_constants.h"
#include "chrome/test/base/ui_test_utils.h"
#include "components/download/public/common/download_item.h"
#include "components/guest_view/browser/test_guest_view_manager.h"
#include "components/metrics/content/subprocess_metrics_provider.h"
#include "components/policy/core/browser/browser_policy_connector.h"
#include "components/policy/core/common/mock_configuration_policy_provider.h"
#include "components/policy/core/common/policy_map.h"
#include "components/policy/policy_constants.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/browser_thread.h"
#include "content/public/browser/download_manager.h"
#include "content/public/browser/navigation_controller.h"
#include "content/public/browser/navigation_entry.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/site_isolation_policy.h"
#include "content/public/browser/web_contents.h"
#include "content/public/common/content_switches.h"
#include "content/public/common/url_constants.h"
#include "content/public/test/browser_test.h"
#include "content/public/test/browser_test_utils.h"
#include "content/public/test/fenced_frame_test_util.h"
#include "content/public/test/hit_test_region_observer.h"
#include "content/public/test/prerender_test_util.h"
#include "content/public/test/test_navigation_observer.h"
#include "content/public/test/text_input_test_utils.h"
#include "content/public/test/url_loader_interceptor.h"
#include "extensions/browser/api/file_system/file_system_api.h"
#include "extensions/browser/app_window/app_window.h"
#include "extensions/browser/app_window/app_window_registry.h"
#include "extensions/browser/guest_view/mime_handler_view/mime_handler_view_attach_helper.h"
#include "extensions/browser/guest_view/mime_handler_view/mime_handler_view_guest.h"
#include "extensions/browser/guest_view/mime_handler_view/test_mime_handler_view_guest.h"
#include "extensions/test/result_catcher.h"
#include "extensions/test/test_extension_dir.h"
#include "net/test/embedded_test_server/controllable_http_response.h"
#include "net/test/embedded_test_server/embedded_test_server.h"
#include "pdf/pdf_features.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/blink/public/common/context_menu_data/untrustworthy_context_menu_params.h"
#include "third_party/blink/public/common/input/web_input_event.h"
#include "third_party/blink/public/common/input/web_mouse_event.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/gfx/geometry/point.h"
#include "ui/gfx/geometry/rect.h"
#include "url/gurl.h"
#if defined(TOOLKIT_VIEWS) && !BUILDFLAG(IS_MAC)
#include "chrome/browser/ui/views/location_bar/zoom_bubble_view.h"
#endif
namespace {
using ::content::WebContents;
using ::extensions::MimeHandlerViewGuest;
using ::extensions::TestMimeHandlerViewGuest;
using ::guest_view::GuestViewManager;
using ::guest_view::TestGuestViewManager;
using ::guest_view::TestGuestViewManagerFactory;
using ::pdf_extension_test_util::ConvertPageCoordToScreenCoord;
using ::pdf_extension_test_util::GetPdfPluginFrames;
using ::pdf_extension_test_util::SetInputFocusOnPlugin;
using ::testing::IsEmpty;
using ::testing::StartsWith;
const int kNumberLoadTestParts = 10;
#if BUILDFLAG(IS_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();
}
} // namespace
using PDFExtensionTest = PDFExtensionTestBase;
class PDFExtensionTestWithPartialLoading : public PDFExtensionTest {
protected:
std::vector<base::test::FeatureRef> GetEnabledFeatures() const override {
auto enabled = PDFExtensionTest::GetEnabledFeatures();
enabled.push_back(chrome_pdf::features::kPdfIncrementalLoading);
enabled.push_back(chrome_pdf::features::kPdfPartialLoading);
return enabled;
}
};
// 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(PDFExtensionTest, PdfInMainFrameHasFocus) {
// Load test HTML, and verify the text area has focus.
ASSERT_TRUE(ui_test_utils::NavigateToURL(
browser(), embedded_test_server()->GetURL("/pdf/test.pdf")));
auto* primary_main_frame = GetActiveWebContents()->GetPrimaryMainFrame();
// Verify the pdf has loaded.
auto* guest_view = GetGuestViewManager()->WaitForSingleGuestViewCreated();
ASSERT_TRUE(guest_view);
ASSERT_NE(primary_main_frame, guest_view->GetGuestMainFrame());
TestMimeHandlerViewGuest::WaitForGuestLoadStartThenStop(guest_view);
// Make sure the guest WebContents has focus.
ASSERT_EQ(GetActiveWebContents()->GetFocusedFrame(),
guest_view->GetGuestMainFrame());
}
// 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(PDFExtensionTest, PdfExtensionLoadedInGuest) {
// Load test HTML, and verify the text area has focus.
const GURL main_url(embedded_test_server()->GetURL("/pdf/test.pdf"));
ASSERT_TRUE(ui_test_utils::NavigateToURL(browser(), main_url));
auto* primary_main_frame = GetActiveWebContents()->GetPrimaryMainFrame();
// Verify the pdf has loaded.
auto* guest_view = GetGuestViewManager()->WaitForSingleGuestViewCreated();
ASSERT_TRUE(guest_view);
EXPECT_NE(primary_main_frame, guest_view->GetGuestMainFrame());
TestMimeHandlerViewGuest::WaitForGuestLoadStartThenStop(guest_view);
// Verify we loaded the extension.
const GURL extension_url(
"chrome-extension://mhjfbmdgcfjbbpaeojofohoefgiehjai/index.html");
EXPECT_EQ(extension_url,
guest_view->GetGuestMainFrame()->GetLastCommittedURL());
EXPECT_EQ(main_url, primary_main_frame->GetLastCommittedURL());
// Make sure the embedder has the correct html boilerplate.
EXPECT_EQ(
1, content::EvalJs(primary_main_frame, "document.body.children.length;")
.ExtractInt());
EXPECT_EQ("EMBED", content::EvalJs(primary_main_frame,
"document.body.firstChild.tagName;")
.ExtractString());
EXPECT_EQ("application/pdf", content::EvalJs(primary_main_frame,
"document.body.firstChild.type;")
.ExtractString());
EXPECT_EQ("about:blank",
content::EvalJs(primary_main_frame, "document.body.firstChild.src;")
.ExtractString());
EXPECT_TRUE(
content::EvalJs(primary_main_frame,
"document.body.firstChild.hasAttribute('internalid');")
.ExtractBool());
}
// Helper class to allow pausing the asynchronous attachment of an inner
// WebContents between MimeHandlerViewAttachHelper's AttachToOuterWebContents()
// and ResumeAttachOrDestroy(). This corresponds to the point where the inner
// WebContents has been created but not yet attached or navigated.
class InnerWebContentsAttachDelayer {
public:
explicit InnerWebContentsAttachDelayer(
content::RenderFrameHost* outer_frame) {
auto* mime_handler_view_helper =
extensions::MimeHandlerViewAttachHelper::Get(
outer_frame->GetProcess()->GetID());
mime_handler_view_helper->set_resume_attach_callback_for_testing(
base::BindOnce(&InnerWebContentsAttachDelayer::ResumeAttachCallback,
base::Unretained(this)));
}
void ResumeAttachCallback(base::OnceClosure resume_closure) {
// Called to continue in the test while the attachment is paused. The
// attachment will continue when the test calls ResumeAttach.
resume_closure_ = std::move(resume_closure);
run_loop_.Quit();
}
void WaitForAttachStart() { run_loop_.Run(); }
void ResumeAttach() {
ASSERT_TRUE(resume_closure_);
std::move(resume_closure_).Run();
}
private:
base::OnceClosure resume_closure_;
base::RunLoop run_loop_;
};
// Ensure that when the only other PDF instance closes in the middle of
// attaching an inner WebContents for a PDF, the inner WebContents can still
// successfully complete its attachment and subsequent navigation. See
// https://crbug.com/1295431.
IN_PROC_BROWSER_TEST_F(PDFExtensionTest, PdfExtensionLoadedWhileOldPdfCloses) {
// Load test PDF in first tab.
const GURL main_url(embedded_test_server()->GetURL("/pdf/test.pdf"));
ASSERT_TRUE(ui_test_utils::NavigateToURL(browser(), main_url));
auto* primary_main_frame = GetActiveWebContents()->GetPrimaryMainFrame();
// Verify the PDF has loaded.
auto* guest_view = GetGuestViewManager()->WaitForSingleGuestViewCreated();
ASSERT_TRUE(guest_view);
EXPECT_NE(primary_main_frame, guest_view->GetGuestMainFrame());
TestMimeHandlerViewGuest::WaitForGuestLoadStartThenStop(guest_view);
// Verify we loaded the extension.
const GURL extension_url(
"chrome-extension://mhjfbmdgcfjbbpaeojofohoefgiehjai/index.html");
EXPECT_EQ(extension_url,
guest_view->GetGuestMainFrame()->GetLastCommittedURL());
EXPECT_EQ(main_url, primary_main_frame->GetLastCommittedURL());
// Open another tab and navigate it to a same-site non-PDF URL.
ui_test_utils::TabAddedWaiter add_tab1(browser());
chrome::NewTab(browser());
add_tab1.Wait();
ASSERT_EQ(2, browser()->tab_strip_model()->count());
WebContents* new_web_contents =
browser()->tab_strip_model()->GetWebContentsAt(1);
ASSERT_EQ(new_web_contents, GetActiveWebContents());
const GURL non_pdf_url(embedded_test_server()->GetURL("/title1.html"));
ASSERT_TRUE(ui_test_utils::NavigateToURL(browser(), non_pdf_url));
// Start loading another PDF in the new tab, but pause during guest attach.
// It is important that the PDF navigation uses the same RFH as `delayer`.
InnerWebContentsAttachDelayer delayer(
new_web_contents->GetPrimaryMainFrame());
content::TestNavigationObserver navigation_observer(new_web_contents);
new_web_contents->GetController().LoadURLWithParams(
content::NavigationController::LoadURLParams(main_url));
delayer.WaitForAttachStart();
// Close the first tab, destroying the first PDF while the second PDF is in
// the middle of initialization. In https://crbug.com/1295431, the extension
// process exited here and caused a crash when the second PDF resumed.
EXPECT_EQ(2U, GetGuestViewManager()->GetCurrentGuestCount());
ASSERT_TRUE(browser()->tab_strip_model()->CloseWebContentsAt(
0, TabCloseTypes::CLOSE_USER_GESTURE));
// `TestGuestViewManager` manages the guests by the order of creation.
GetGuestViewManager()->WaitForFirstGuestDeleted();
EXPECT_EQ(1U, GetGuestViewManager()->GetCurrentGuestCount());
primary_main_frame = new_web_contents->GetPrimaryMainFrame();
// Now resume the guest attachment and ensure the second PDF loads without
// crashing.
delayer.ResumeAttach();
navigation_observer.Wait();
auto* guest_view2 = GetGuestViewManager()->WaitForSingleGuestViewCreated();
ASSERT_TRUE(guest_view2);
EXPECT_NE(primary_main_frame, guest_view2->GetGuestMainFrame());
TestMimeHandlerViewGuest::WaitForGuestLoadStartThenStop(guest_view2);
// Verify we loaded the extension.
EXPECT_EQ(extension_url,
guest_view2->GetGuestMainFrame()->GetLastCommittedURL());
EXPECT_EQ(main_url, primary_main_frame->GetLastCommittedURL());
}
// 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(PDFExtensionTest, CSPDoesNotBlockEmbedStyles) {
const GURL main_url(embedded_test_server()->GetURL("/pdf/test-csp.pdf"));
ASSERT_TRUE(ui_test_utils::NavigateToURL(browser(), main_url));
ASSERT_TRUE(GetActiveWebContents());
auto* primary_main_frame = GetActiveWebContents()->GetPrimaryMainFrame();
ASSERT_TRUE(primary_main_frame);
// Verify the pdf has loaded.
auto* guest_view = GetGuestViewManager()->WaitForSingleGuestViewCreated();
ASSERT_TRUE(guest_view);
auto* guest_main_frame = guest_view->GetGuestMainFrame();
EXPECT_NE(primary_main_frame, guest_main_frame);
TestMimeHandlerViewGuest::WaitForGuestLoadStartThenStop(guest_view);
// Verify the extension was loaded.
const GURL extension_url(
"chrome-extension://mhjfbmdgcfjbbpaeojofohoefgiehjai/index.html");
EXPECT_EQ(extension_url, guest_main_frame->GetLastCommittedURL());
EXPECT_EQ(main_url, primary_main_frame->GetLastCommittedURL());
// Verify that the plugin occupies all of the page area.
const gfx::Rect embedder_rect =
primary_main_frame->GetView()->GetViewBounds();
const gfx::Rect guest_rect = guest_main_frame->GetView()->GetViewBounds();
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(PDFExtensionTest, CSPWithSandboxDoesNotBlockPDF) {
const GURL main_url(
embedded_test_server()->GetURL("/pdf/test-csp-sandbox.pdf"));
ASSERT_TRUE(ui_test_utils::NavigateToURL(browser(), main_url));
ASSERT_TRUE(GetActiveWebContents());
auto* primary_main_frame = GetActiveWebContents()->GetPrimaryMainFrame();
ASSERT_TRUE(primary_main_frame);
// Verify the pdf has loaded.
auto* guest_view = GetGuestViewManager()->WaitForSingleGuestViewCreated();
ASSERT_TRUE(guest_view);
EXPECT_NE(primary_main_frame, guest_view->GetGuestMainFrame());
TestMimeHandlerViewGuest::WaitForGuestLoadStartThenStop(guest_view);
// Verify the extension was loaded.
const GURL extension_url(
"chrome-extension://mhjfbmdgcfjbbpaeojofohoefgiehjai/index.html");
EXPECT_EQ(extension_url,
guest_view->GetGuestMainFrame()->GetLastCommittedURL());
EXPECT_EQ(main_url, primary_main_frame->GetLastCommittedURL());
}
// 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(PDFExtensionTest, 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'*");
ASSERT_TRUE(ui_test_utils::NavigateToURL(
browser(), embedded_test_server()->GetURL(
"/pdf/frame-test-csp-frame-ancestors-none.html")));
ASSERT_TRUE(console_observer.Wait());
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(PDFExtensionTest,
CSPFrameAncestorsOverridesXFrameOptions) {
const GURL main_url(
embedded_test_server()->GetURL("/pdf/frame-test-csp-and-xfo.html"));
ASSERT_TRUE(ui_test_utils::NavigateToURL(browser(), main_url));
ASSERT_TRUE(GetActiveWebContents());
auto* primary_main_frame = GetActiveWebContents()->GetPrimaryMainFrame();
ASSERT_TRUE(primary_main_frame);
// Verify the pdf has loaded.
auto* guest_view = GetGuestViewManager()->WaitForSingleGuestViewCreated();
ASSERT_TRUE(guest_view);
EXPECT_NE(primary_main_frame, guest_view->GetGuestMainFrame());
TestMimeHandlerViewGuest::WaitForGuestLoadStartThenStop(guest_view);
// Verify the extension was loaded.
const GURL extension_url(
"chrome-extension://mhjfbmdgcfjbbpaeojofohoefgiehjai/index.html");
EXPECT_EQ(extension_url,
guest_view->GetGuestMainFrame()->GetLastCommittedURL());
EXPECT_EQ(main_url, primary_main_frame->GetLastCommittedURL());
}
class PDFExtensionLoadTest : public PDFExtensionTest,
public testing::WithParamInterface<int> {
protected:
// Load all the PDFs contained in chrome/test/data/<dir_name>. The files are
// sharded across kNumberLoadTestParts using base::PersistentHash(filename).
void LoadAllPdfsTest(const std::string& dir_name) {
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 == GetParam()) {
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);
}
};
IN_PROC_BROWSER_TEST_P(PDFExtensionLoadTest, Load) {
LoadAllPdfsTest("pdf");
}
#if BUILDFLAG(GOOGLE_CHROME_BRANDING)
IN_PROC_BROWSER_TEST_P(PDFExtensionLoadTest, LoadPrivate) {
LoadAllPdfsTest("pdf_private");
}
#endif
// We break PDFExtensionLoadTest up into kNumberLoadTestParts.
INSTANTIATE_TEST_SUITE_P(PDFTestFiles,
PDFExtensionLoadTest,
testing::Range(0, kNumberLoadTestParts));
using PDFExtensionBlobNavigationTest = PDFExtensionTest;
IN_PROC_BROWSER_TEST_F(PDFExtensionBlobNavigationTest, NewTab) {
ASSERT_TRUE(ui_test_utils::NavigateToURL(
browser(),
embedded_test_server()->GetURL("/pdf/blob_navigation_new_tab.html")));
// Calling `window.open` without a user gesture will be blocked by the popup
// blocker. `ExecJs()` emulates a user gesture which bypasses the restriction.
content::TestNavigationObserver navigation_observer(nullptr);
navigation_observer.StartWatchingNewWebContents();
ASSERT_TRUE(content::ExecJs(GetActiveWebContents(), "openBlobPdfInNewTab()"));
navigation_observer.Wait();
ASSERT_EQ(browser()->tab_strip_model()->count(), 2);
WebContents* new_tab_contents =
browser()->tab_strip_model()->GetWebContentsAt(1);
EXPECT_TRUE(pdf_extension_test_util::EnsurePDFHasLoaded(new_tab_contents));
}
IN_PROC_BROWSER_TEST_F(PDFExtensionBlobNavigationTest, SameTab) {
ASSERT_TRUE(ui_test_utils::NavigateToURLBlockUntilNavigationsComplete(
browser(),
embedded_test_server()->GetURL("/pdf/blob_navigation_same_tab.html"),
/*number_of_navigations=*/2));
EXPECT_TRUE(
pdf_extension_test_util::EnsurePDFHasLoaded(GetActiveWebContents()));
}
IN_PROC_BROWSER_TEST_F(PDFExtensionTest, LoadInPlatformApp) {
extensions::TestExtensionDir dir;
dir.WriteManifest(R"(
{
"name": "PDFExtensionTest App",
"version": "1.0",
"manifest_version": 2,
"app": {
"background": {
"scripts": ["background_script.js"]
}
}
}
)");
dir.WriteFile(FILE_PATH_LITERAL("background_script.js"), R"(
chrome.app.runtime.onLaunched.addListener(() => {
chrome.app.window.create('test.pdf', () => {
chrome.test.notifyPass();
});
});
)");
{
base::ScopedAllowBlockingForTesting allow_blocking;
std::string pdf_contents;
ASSERT_TRUE(base::ReadFileToString(
GetTestResourcesParentDir().AppendASCII("pdf").AppendASCII("test.pdf"),
&pdf_contents));
dir.WriteFile(FILE_PATH_LITERAL("test.pdf"), pdf_contents);
}
extensions::ResultCatcher result_catcher;
ASSERT_TRUE(LoadAndLaunchApp(dir.UnpackedPath(), /*uses_guest_view=*/true));
ASSERT_TRUE(result_catcher.GetNextResult()) << result_catcher.message();
auto* app_registry = extensions::AppWindowRegistry::Get(browser()->profile());
ASSERT_TRUE(app_registry);
const extensions::AppWindowRegistry::AppWindowList& app_windows =
app_registry->app_windows();
ASSERT_EQ(app_windows.size(), 1u);
extensions::AppWindow* window = app_windows.front();
ASSERT_TRUE(window);
content::WebContents* app_contents = window->web_contents();
ASSERT_TRUE(content::WaitForLoadStop(app_contents));
EXPECT_TRUE(pdf_extension_test_util::EnsurePDFHasLoaded(app_contents));
}
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 {
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 =
browser_context->GetDownloadManager();
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 =
browser_context->GetDownloadManager();
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() {
content::RenderFrameHost* iframe_render_frame_host =
ChildFrameAt(GetActiveWebContents(), 0);
ASSERT_TRUE(iframe_render_frame_host);
ASSERT_TRUE(
content::ExecJs(iframe_render_frame_host,
"document.getElementById('open-button').click();"));
}
void ValidateSingleSuccessfulDownloadAndNoPDFPluginLaunch() {
// Validate that we downloaded a single PDF and didn't launch the PDF
// plugin.
EXPECT_EQ(embedded_test_server()->GetURL("/pdf/test.pdf"),
AwaitAndGetLastDownloadedUrl());
EXPECT_EQ(1u, GetNumberOfDownloads());
EXPECT_EQ(0, CountPDFProcesses());
}
private:
size_t GetNumberOfDownloads() {
content::BrowserContext* browser_context =
GetActiveWebContents()->GetBrowserContext();
content::DownloadManager* download_manager =
browser_context->GetDownloadManager();
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.
ASSERT_TRUE(ui_test_utils::NavigateToURL(
browser(), embedded_test_server()->GetURL("/pdf/test.pdf")));
ValidateSingleSuccessfulDownloadAndNoPDFPluginLaunch();
}
// TODO(crbug.com/1201401): fix flakiness and reenable. Also, that test
// became flaky on Windows, see crbug.com/1323701.
#if BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS) || BUILDFLAG(IS_MAC) || \
BUILDFLAG(IS_WIN)
#define MAYBE_EmbedPdfPlaceholderWithCSP DISABLED_EmbedPdfPlaceholderWithCSP
#else
#define MAYBE_EmbedPdfPlaceholderWithCSP EmbedPdfPlaceholderWithCSP
#endif // BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS) || BUILDFLAG(IS_MAC) ||
// BUILDFLAG(IS_WIN)
IN_PROC_BROWSER_TEST_F(PDFPluginDisabledTest,
MAYBE_EmbedPdfPlaceholderWithCSP) {
// Navigate to a page with CSP that uses <embed> to embed a PDF as a plugin.
ASSERT_TRUE(ui_test_utils::NavigateToURL(
browser(), embedded_test_server()->GetURL("/pdf/pdf_embed_csp.html")));
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.
ASSERT_TRUE(ui_test_utils::NavigateToURL(
browser(), embedded_test_server()->GetURL("/pdf/pdf_iframe_csp.html")));
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();
}
// 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.
//
// Note that this can happen only during partial loading, as the initial URL
// load is handled by MimeHandlerView, and the plugin only gets the response.
IN_PROC_BROWSER_TEST_F(PDFExtensionTestWithPartialLoading,
PartialRedirectsFailInPlugin) {
// Should match values used by `chrome_pdf::DocumentLoaderImpl`.
constexpr size_t kDefaultRequestSize = 65536;
constexpr size_t kChunkCloseDistance = 10;
std::string pdf_contents;
{
base::ScopedAllowBlockingForTesting allow_blocking;
base::FilePath test_data_dir;
ASSERT_TRUE(base::PathService::Get(chrome::DIR_TEST_DATA, &test_data_dir));
ASSERT_TRUE(
base::ReadFileToString(test_data_dir.AppendASCII("pdf").AppendASCII(
"test-ranges-linearized.pdf"),
&pdf_contents));
}
ASSERT_GT(pdf_contents.size(),
kDefaultRequestSize * (kChunkCloseDistance + 2));
// Use an additional test server, to allow customizing the response handling.
net::test_server::EmbeddedTestServer test_server;
constexpr char kActualPdf[] = "/pdf/test-ranges-linearized.pdf";
constexpr char kSimulatedPdf[] = "/simulated/test-ranges-linearized.pdf";
net::test_server::ControllableHttpResponse initial_response(&test_server,
kSimulatedPdf);
net::test_server::ControllableHttpResponse followup_response(&test_server,
kSimulatedPdf);
auto handle = test_server.StartAndReturnHandle();
WebContents* contents = GetActiveWebContents();
content::TestNavigationObserver navigation_observer(contents);
contents->GetController().LoadURLWithParams(
content::NavigationController::LoadURLParams(
test_server.GetURL(kSimulatedPdf)));
{
SCOPED_TRACE("Waiting for initial request");
initial_response.WaitForRequest();
}
initial_response.Send("HTTP/1.1 200 OK\r\n");
initial_response.Send("Accept-Ranges: bytes\r\n");
initial_response.Send(
base::StringPrintf("Content-Length: %zu\r\n", pdf_contents.size()));
initial_response.Send("Content-Type: application/pdf\r\n");
initial_response.Send("\r\n");
initial_response.Send(pdf_contents.substr(0, kDefaultRequestSize));
navigation_observer.Wait();
ASSERT_TRUE(navigation_observer.last_navigation_succeeded());
{
SCOPED_TRACE("Waiting for follow-up request");
followup_response.WaitForRequest();
}
followup_response.Send("HTTP/1.1 301 Moved Permanently\r\n");
followup_response.Send(base::StringPrintf(
"Location: %s\r\n",
embedded_test_server()->GetURL(kActualPdf).spec().c_str()));
followup_response.Send("\r\n");
followup_response.Done();
// TODO(crbug.com/1228987): Load success or failure is non-deterministic
// currently, due to races between viewport messages and loading. For this
// test, we only care that loading terminated, not about success or failure.
std::ignore = pdf_extension_test_util::EnsurePDFHasLoaded(contents);
}
// 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>";
ASSERT_TRUE(ui_test_utils::NavigateToURL(browser(), GURL(data_url)));
WebContents* web_contents = GetActiveWebContents();
ASSERT_EQ(false,
content::EvalJs(
web_contents,
"var plugin_loaded = "
" document.getElementsByTagName('embed')[0].postMessage !== "
"undefined;"
"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");
ASSERT_TRUE(ui_test_utils::NavigateToURL(browser(), forbidden_url));
ASSERT_TRUE(console_observer.Wait());
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());
}
MimeHandlerViewGuest* guest_view = LoadPdfGetMimeHandlerView(test_pdf_url);
ASSERT_TRUE(guest_view);
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());
}
MimeHandlerViewGuest* guest_view = LoadPdfGetMimeHandlerView(test_pdf_url);
ASSERT_TRUE(guest_view);
EXPECT_EQ(1, CountPDFProcesses());
}
// This test ensures that link permissions are enforced properly in PDFs.
IN_PROC_BROWSER_TEST_F(PDFExtensionTest, LinkPermissions) {
MimeHandlerViewGuest* guest_view = LoadPdfGetMimeHandlerView(
embedded_test_server()->GetURL("/pdf/test.pdf"));
ASSERT_TRUE(guest_view);
// 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_view->GetGuestMainFrame()->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) {
MimeHandlerViewGuest* guest_view = LoadPdfGetMimeHandlerView(
embedded_test_server()->GetURL("/pdf/test.pdf"));
ASSERT_TRUE(guest_view);
EXPECT_EQ(u"test.pdf", guest_view->GetController()
.GetLastCommittedEntry()
->GetTitleForDisplay());
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) {
MimeHandlerViewGuest* guest_view = LoadPdfGetMimeHandlerView(
embedded_test_server()->GetURL("/pdf/test-title.pdf"));
ASSERT_TRUE(guest_view);
EXPECT_EQ(u"PDF title test", guest_view->GetController()
.GetLastCommittedEntry()
->GetTitleForDisplay());
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 BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_WIN) || BUILDFLAG(IS_MAC)
#define MAYBE_PdfZoomWithoutBubble DISABLED_PdfZoomWithoutBubble
#else
#define MAYBE_PdfZoomWithoutBubble PdfZoomWithoutBubble
#endif
IN_PROC_BROWSER_TEST_F(PDFExtensionTest, MAYBE_PdfZoomWithoutBubble) {
MimeHandlerViewGuest* guest_view = LoadPdfGetMimeHandlerView(
embedded_test_server()->GetURL("/pdf/test.pdf"));
ASSERT_TRUE(guest_view);
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 = base::ranges::find(preset_zoom_levels, 0);
ASSERT_NE(it, preset_zoom_levels.end());
it++;
ASSERT_NE(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) && !BUILDFLAG(IS_MAC)
EXPECT_FALSE(ZoomBubbleView::GetZoomBubble());
#endif
ASSERT_TRUE(content::ExecJs(guest_view->GetGuestMainFrame(),
"while (viewer.viewport.getZoom() < 1) {"
" viewer.viewport.zoomIn();"
"}"
"setTimeout(() => {"
" viewer.viewport.zoomIn();"
"}, 1);"));
watcher.Wait();
#if defined(TOOLKIT_VIEWS) && !BUILDFLAG(IS_MAC)
EXPECT_FALSE(ZoomBubbleView::GetZoomBubble());
#endif
}
class PDFExtensionScrollTest : public PDFExtensionTest {
public:
void SetUpOnMainThread() override {
PDFExtensionTest::SetUpOnMainThread();
GetActiveWebContents()->Resize({0, 0, 1024, 768});
}
void SetUpCommandLine(base::CommandLine* command_line) override {
// Smooth scrolling confuses the test cases that reads the scroll bar
// position.
command_line->AppendSwitch(switches::kDisableSmoothScrolling);
}
protected:
class ScrollEventWaiter {
public:
explicit ScrollEventWaiter(content::ToRenderFrameHost guest_main_frame)
: message_queue_(guest_main_frame.render_frame_host()) {
content::ExecuteScriptAsync(
guest_main_frame,
R"(viewer.shadowRoot.querySelector('#scroller').onscroll = () => {
if (viewer.viewport.scrollContent_.unackedScrollsToRemote_ === 0) {
window.domAutomationController.send('dispatchedScrollEvent');
}
};
if (viewer.viewport.scrollContent_.unackedScrollsToRemote_ === 0) {
window.domAutomationController.send('dispatchedScrollEvent');
})");
// Wait for pending scroll-to-remotes to complete.
Wait();
}
void Reset() { message_queue_.ClearQueue(); }
void Wait() {
std::string message;
ASSERT_TRUE(message_queue_.WaitForMessage(&message));
EXPECT_EQ("\"dispatchedScrollEvent\"", message);
}
private:
content::DOMMessageQueue message_queue_;
};
// Scroll increment in CSS pixels. Should match `SCROLL_INCREMENT` in
// //chrome/browser/resources/pdf/viewport.js.
static constexpr int kScrollIncrement = 40;
// Scrolling by a fraction of the viewport height may introduce slight
// position differences on various platforms due to rounding. Tolerate this
// difference.
static constexpr float kScrollPositionEpsilon = 2.0f;
static int GetViewportHeight(content::ToRenderFrameHost guest_main_frame) {
return content::EvalJs(guest_main_frame, "viewer.viewport.size.height;")
.ExtractInt();
}
static int GetViewportScrollPositionX(
content::ToRenderFrameHost guest_main_frame) {
return content::EvalJs(guest_main_frame, "viewer.viewport.position.x;")
.ExtractInt();
}
static int GetViewportScrollPositionY(
content::ToRenderFrameHost guest_main_frame) {
return content::EvalJs(guest_main_frame, "viewer.viewport.position.y;")
.ExtractInt();
}
};
IN_PROC_BROWSER_TEST_F(PDFExtensionScrollTest, WithSpace) {
MimeHandlerViewGuest* guest = LoadPdfGetMimeHandlerView(
embedded_test_server()->GetURL("/pdf/test-bookmarks.pdf"));
ASSERT_TRUE(guest);
content::RenderFrameHost* guest_mainframe = guest->GetGuestMainFrame();
ASSERT_TRUE(guest_mainframe);
SetInputFocusOnPlugin(guest);
ASSERT_EQ(0, GetViewportScrollPositionY(guest_mainframe));
// Get the viewport height, since the scroll distance is based on it.
const int viewport_height = GetViewportHeight(guest_mainframe);
ASSERT_GT(viewport_height, 0);
// For web content, page down / page up scrolling only scrolls by a fraction
// of the viewport height. The PDF Viewer should match that behavior.
const float scroll_height =
viewport_height * cc::kMinFractionToStepWhenPaging;
// Press Space to scroll down.
ScrollEventWaiter scroll_waiter(guest_mainframe);
content::SimulateKeyPress(GetActiveWebContents(),
ui::DomKey::FromCharacter(' '), ui::DomCode::SPACE,
ui::VKEY_SPACE,
/*control=*/false, /*shift=*/false, /*alt=*/false,
/*command=*/false);
ASSERT_NO_FATAL_FAILURE(scroll_waiter.Wait());
EXPECT_NEAR(scroll_height, GetViewportScrollPositionY(guest_mainframe),
kScrollPositionEpsilon);
// Press Space to scroll down again.
scroll_waiter.Reset();
content::SimulateKeyPress(GetActiveWebContents(),
ui::DomKey::FromCharacter(' '), ui::DomCode::SPACE,
ui::VKEY_SPACE,
/*control=*/false, /*shift=*/false, /*alt=*/false,
/*command=*/false);
ASSERT_NO_FATAL_FAILURE(scroll_waiter.Wait());
EXPECT_NEAR(scroll_height * 2, GetViewportScrollPositionY(guest_mainframe),
kScrollPositionEpsilon);
// Press Shift+Space to scroll up.
scroll_waiter.Reset();
content::SimulateKeyPress(GetActiveWebContents(),
ui::DomKey::FromCharacter(' '), ui::DomCode::SPACE,
ui::VKEY_SPACE,
/*control=*/false, /*shift=*/true, /*alt=*/false,
/*command=*/false);
ASSERT_NO_FATAL_FAILURE(scroll_waiter.Wait());
EXPECT_NEAR(scroll_height, GetViewportScrollPositionY(guest_mainframe),
kScrollPositionEpsilon);
}
IN_PROC_BROWSER_TEST_F(PDFExtensionScrollTest, WithPageDownUp) {
MimeHandlerViewGuest* guest = LoadPdfGetMimeHandlerView(
embedded_test_server()->GetURL("/pdf/test-bookmarks.pdf"));
content::RenderFrameHost* guest_mainframe = guest->GetGuestMainFrame();
ASSERT_TRUE(guest_mainframe);
SetInputFocusOnPlugin(guest);
ASSERT_EQ(0, GetViewportScrollPositionY(guest_mainframe));
// Get the viewport height, since the scroll distance is based on it.
const int viewport_height = GetViewportHeight(guest_mainframe);
ASSERT_GT(viewport_height, 0);
// For web content, page down / page up scrolling only scrolls by a fraction
// of the viewport height. The PDF Viewer should match that behavior.
const float scroll_height =
viewport_height * cc::kMinFractionToStepWhenPaging;
// Press PageDown to scroll down.
ScrollEventWaiter scroll_waiter(guest_mainframe);
content::SimulateKeyPressWithoutChar(GetActiveWebContents(),
ui::DomKey::PAGE_DOWN,
ui::DomCode::PAGE_DOWN, ui::VKEY_NEXT,
/*control=*/false, /*shift=*/false,
/*alt=*/false,
/*command=*/false);
ASSERT_NO_FATAL_FAILURE(scroll_waiter.Wait());
EXPECT_NEAR(scroll_height, GetViewportScrollPositionY(guest_mainframe),
kScrollPositionEpsilon);
// Press PageDown to scroll down again.
scroll_waiter.Reset();
content::SimulateKeyPressWithoutChar(GetActiveWebContents(),
ui::DomKey::PAGE_DOWN,
ui::DomCode::PAGE_DOWN, ui::VKEY_NEXT,
/*control=*/false, /*shift=*/false,
/*alt=*/false,
/*command=*/false);
ASSERT_NO_FATAL_FAILURE(scroll_waiter.Wait());
EXPECT_NEAR(scroll_height * 2, GetViewportScrollPositionY(guest_mainframe),
kScrollPositionEpsilon);
// Press PageUp to scroll up.
scroll_waiter.Reset();
content::SimulateKeyPressWithoutChar(
GetActiveWebContents(), ui::DomKey::PAGE_UP, ui::DomCode::PAGE_UP,
ui::VKEY_PRIOR,
/*control=*/false, /*shift=*/false, /*alt=*/false,
/*command=*/false);
ASSERT_NO_FATAL_FAILURE(scroll_waiter.Wait());
EXPECT_NEAR(scroll_height, GetViewportScrollPositionY(guest_mainframe),
kScrollPositionEpsilon);
}
IN_PROC_BROWSER_TEST_F(PDFExtensionScrollTest, WithArrowLeftRight) {
MimeHandlerViewGuest* guest = LoadPdfGetMimeHandlerView(
embedded_test_server()->GetURL("/pdf/test-bookmarks.pdf#zoom=200"));
ASSERT_TRUE(guest);
content::RenderFrameHost* guest_mainframe = guest->GetGuestMainFrame();
ASSERT_TRUE(guest_mainframe);
SetInputFocusOnPlugin(guest);
ASSERT_EQ(0, GetViewportScrollPositionY(guest_mainframe));
// Press ArrowRight to scroll right.
ScrollEventWaiter scroll_waiter(guest_mainframe);
content::SimulateKeyPressWithoutChar(GetActiveWebContents(),
ui::DomKey::ARROW_RIGHT,
ui::DomCode::ARROW_RIGHT, ui::VKEY_RIGHT,
/*control=*/false, /*shift=*/false,
/*alt=*/false,
/*command=*/false);
ASSERT_NO_FATAL_FAILURE(scroll_waiter.Wait());
EXPECT_EQ(kScrollIncrement, GetViewportScrollPositionX(guest_mainframe));
// Press ArrowRight to scroll right again.
scroll_waiter.Reset();
content::SimulateKeyPressWithoutChar(GetActiveWebContents(),
ui::DomKey::ARROW_RIGHT,
ui::DomCode::ARROW_RIGHT, ui::VKEY_RIGHT,
/*control=*/false, /*shift=*/false,
/*alt=*/false,
/*command=*/false);
ASSERT_NO_FATAL_FAILURE(scroll_waiter.Wait());
EXPECT_EQ(kScrollIncrement * 2, GetViewportScrollPositionX(guest_mainframe));
// Press ArrowLeft to scroll left.
scroll_waiter.Reset();
content::SimulateKeyPressWithoutChar(GetActiveWebContents(),
ui::DomKey::ARROW_LEFT,
ui::DomCode::ARROW_LEFT, ui::VKEY_LEFT,
/*control=*/false, /*shift=*/false,
/*alt=*/false,
/*command=*/false);
ASSERT_NO_FATAL_FAILURE(scroll_waiter.Wait());
EXPECT_EQ(kScrollIncrement, GetViewportScrollPositionX(guest_mainframe));
}
IN_PROC_BROWSER_TEST_F(PDFExtensionScrollTest, WithArrowDownUp) {
MimeHandlerViewGuest* guest = LoadPdfGetMimeHandlerView(
embedded_test_server()->GetURL("/pdf/test-bookmarks.pdf"));
ASSERT_TRUE(guest);
content::RenderFrameHost* guest_mainframe = guest->GetGuestMainFrame();
ASSERT_TRUE(guest_mainframe);
SetInputFocusOnPlugin(guest);
ASSERT_EQ(0, GetViewportScrollPositionY(guest_mainframe));
// Press ArrowDown to scroll down.
ScrollEventWaiter scroll_waiter(guest_mainframe);
content::SimulateKeyPressWithoutChar(GetActiveWebContents(),
ui::DomKey::ARROW_DOWN,
ui::DomCode::ARROW_DOWN, ui::VKEY_DOWN,
/*control=*/false, /*shift=*/false,
/*alt=*/false,
/*command=*/false);
ASSERT_NO_FATAL_FAILURE(scroll_waiter.Wait());
EXPECT_EQ(kScrollIncrement, GetViewportScrollPositionY(guest_mainframe));
// Press ArrowDown to scroll down again.
scroll_waiter.Reset();
content::SimulateKeyPressWithoutChar(GetActiveWebContents(),
ui::DomKey::ARROW_DOWN,
ui::DomCode::ARROW_DOWN, ui::VKEY_DOWN,
/*control=*/false, /*shift=*/false,
/*alt=*/false,
/*command=*/false);
ASSERT_NO_FATAL_FAILURE(scroll_waiter.Wait());
EXPECT_EQ(kScrollIncrement * 2, GetViewportScrollPositionY(guest_mainframe));
// Press ArrowUp to scroll up.
scroll_waiter.Reset();
content::SimulateKeyPressWithoutChar(GetActiveWebContents(),
ui::DomKey::ARROW_UP,
ui::DomCode::ARROW_UP, ui::VKEY_UP,
/*control=*/false, /*shift=*/false,
/*alt=*/false,
/*command=*/false);
ASSERT_NO_FATAL_FAILURE(scroll_waiter.Wait());
EXPECT_EQ(kScrollIncrement, GetViewportScrollPositionY(guest_mainframe));
}
IN_PROC_BROWSER_TEST_F(PDFExtensionTest, SelectAllShortcut) {
MimeHandlerViewGuest* guest = LoadPdfGetMimeHandlerView(
embedded_test_server()->GetURL("/pdf/test.pdf"));
ASSERT_TRUE(guest);
content::RenderFrameHost* frame = GetPluginFrame(guest);
ASSERT_TRUE(frame);
content::RenderWidgetHostView* view = frame->GetView();
EXPECT_THAT(view->GetSelectedText(), IsEmpty());
base::RunLoop run_loop;
content::TextInputManagerTester input_tester(GetActiveWebContents());
input_tester.SetOnTextSelectionChangedCallback(run_loop.QuitClosure());
bool control = false;
bool command = false;
#if BUILDFLAG(IS_MAC)
command = true;
#else
control = true;
#endif
content::SimulateKeyPress(GetActiveWebContents(),
ui::DomKey::FromCharacter('a'), ui::DomCode::US_A,
ui::VKEY_A, control,
/*shift=*/false,
/*alt=*/false, command);
run_loop.Run();
#if BUILDFLAG(IS_WIN)
constexpr char kExpectedText[] = "this is some text\r\nsome more text";
#else
constexpr char kExpectedText[] = "this is some text\nsome more text";
#endif
EXPECT_EQ(base::UTF16ToUTF8(view->GetSelectedText()), kExpectedText);
}
// TODO(crbug.com/1253714): Add tests for using space and shift+space shortcuts
// for scrolling PDFs.
// 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) {
MimeHandlerViewGuest* guest = LoadPdfGetMimeHandlerView(
embedded_test_server()->GetURL("/pdf/test.pdf"));
ASSERT_TRUE(guest);
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::ExecJs(guest->GetGuestMainFrame(),
"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) {
ASSERT_TRUE(LoadPdfInNewTab(
embedded_test_server()->GetURL("a.com", "/pdf/test.pdf")));
ASSERT_TRUE(LoadPdfInNewTab(
embedded_test_server()->GetURL("b.com", "/pdf/test.pdf")));
EXPECT_EQ(2, CountPDFProcesses());
}
namespace {
class PDFExtensionIsolatedContentTest : public base::test::WithFeatureOverride,
public PDFExtensionTest {
protected:
PDFExtensionIsolatedContentTest()
: base::test::WithFeatureOverride(features::kSitePerProcess) {}
};
INSTANTIATE_FEATURE_OVERRIDE_TEST_SUITE(PDFExtensionIsolatedContentTest);
} // namespace
// Makes sure `PDFExtensionIsolatedContentTest` runs with and without Site
// Isolation enabled (see crbug.com/1298269).
//
// This is a separate test because fatal assertions in `SetUpInMainThread()`
// don't terminate early, so there's no point asserting before every test.
IN_PROC_BROWSER_TEST_P(PDFExtensionIsolatedContentTest, ExpectSiteIsolation) {
EXPECT_EQ(IsParamFeatureEnabled(),
content::SiteIsolationPolicy::UseDedicatedProcessesForAllSites());
}
IN_PROC_BROWSER_TEST_P(PDFExtensionIsolatedContentTest, PdfAndHtml) {
content::RenderProcessHost::SetMaxRendererProcessCount(1);
// Load a page with an embedded PDF and an HTML iframe, both of the same
// origin.
MimeHandlerViewGuest* guest = LoadPdfGetMimeHandlerView(
embedded_test_server()->GetURL("/pdf/embed_pdf_and_html.html"));
ASSERT_TRUE(guest);
// The PDF plugin frame and the iframe should not share renderer processes
// even though they share origins.
std::vector<content::RenderFrameHost*> plugin_frames =
GetPdfPluginFrames(GetActiveWebContents());
ASSERT_EQ(plugin_frames.size(), 1u);
content::RenderFrameHost* iframe = ChildFrameAt(GetActiveWebContents(), 0);
ASSERT_TRUE(iframe);
EXPECT_EQ(iframe->GetLastCommittedURL(),
embedded_test_server()->GetURL("/title1.html"));
EXPECT_EQ(plugin_frames[0]->GetLastCommittedOrigin(),
iframe->GetLastCommittedOrigin());
EXPECT_NE(plugin_frames[0]->GetProcess(), iframe->GetProcess());
EXPECT_FALSE(content::HasOriginKeyedProcess(plugin_frames[0]));
}
IN_PROC_BROWSER_TEST_P(PDFExtensionIsolatedContentTest, DataNavigation) {
MimeHandlerViewGuest* guest = LoadPdfGetMimeHandlerView(
embedded_test_server()->GetURL("/pdf/data_url_rectangles.html"));
// The PDF plugin frame and the extension main frame should not share renderer
// processes even though the extension triggers a data: navigation when
// loading its plugin.
std::vector<content::RenderFrameHost*> plugin_frames =
GetPdfPluginFrames(GetActiveWebContents());
ASSERT_EQ(plugin_frames.size(), 1u);
EXPECT_NE(plugin_frames[0]->GetProcess(),
guest->GetGuestMainFrame()->GetProcess());
}
IN_PROC_BROWSER_TEST_P(PDFExtensionIsolatedContentTest, HistoryNavigation) {
// Navigating to a PDF should spawn a PDF renderer process.
EXPECT_TRUE(LoadPdf(embedded_test_server()->GetURL("/pdf/test.pdf")));
EXPECT_EQ(CountPDFProcesses(), 1);
// Navigating to non-PDF content should remove the PDF renderer process.
EXPECT_TRUE(ui_test_utils::NavigateToURL(
browser(), embedded_test_server()->GetURL("/title1.html")));
EXPECT_EQ(CountPDFProcesses(), 0);
// Navigating back to the PDF should once again spawn a PDF renderer process.
WebContents* web_contents = GetActiveWebContents();
web_contents->GetController().GoBack();
EXPECT_TRUE(content::WaitForLoadStop(web_contents));
EXPECT_TRUE(pdf_extension_test_util::EnsurePDFHasLoaded(web_contents));
EXPECT_EQ(CountPDFProcesses(), 1);
}
IN_PROC_BROWSER_TEST_P(PDFExtensionIsolatedContentTest, Jitless) {
MimeHandlerViewGuest* guest = LoadPdfGetMimeHandlerView(
embedded_test_server()->GetURL("/pdf/test.pdf"));
ASSERT_TRUE(guest);
// PDF content should always be in JIT-less processes.
std::vector<content::RenderFrameHost*> plugin_frames =
GetPdfPluginFrames(GetActiveWebContents());
ASSERT_EQ(plugin_frames.size(), 1u);
EXPECT_TRUE(plugin_frames[0]->GetProcess()->IsJitDisabled());
}
class PDFExtensionLinkClickTest : public PDFExtensionTest {
public:
PDFExtensionLinkClickTest() = default;
~PDFExtensionLinkClickTest() override = default;
protected:
MimeHandlerViewGuest* LoadTestLinkPdfGetMimeHandlerView() {
return LoadPdfGetMimeHandlerView(
embedded_test_server()->GetURL("/pdf/test-link.pdf"));
}
// 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 with respect to guest that SimulateMouseClickAt() needs.
gfx::Point GetLinkPosition(MimeHandlerViewGuest* guest) {
return ConvertPageCoordToScreenCoord(guest->GetGuestMainFrame(),
{110, 110});
}
};
IN_PROC_BROWSER_TEST_F(PDFExtensionLinkClickTest, CtrlLeft) {
MimeHandlerViewGuest* guest = LoadTestLinkPdfGetMimeHandlerView();
WebContents* web_contents = GetActiveWebContents();
SimulateMouseClickAt(guest, kDefaultKeyModifier,
blink::WebMouseEvent::Button::kLeft,
GetLinkPosition(guest));
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->GetVisibleURL();
EXPECT_EQ("http://www.example.com/", url.spec());
}
IN_PROC_BROWSER_TEST_F(PDFExtensionLinkClickTest, Middle) {
MimeHandlerViewGuest* guest = LoadTestLinkPdfGetMimeHandlerView();
WebContents* web_contents = GetActiveWebContents();
SimulateMouseClickAt(guest, 0, blink::WebMouseEvent::Button::kMiddle,
GetLinkPosition(guest));
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->GetVisibleURL();
EXPECT_EQ("http://www.example.com/", url.spec());
}
IN_PROC_BROWSER_TEST_F(PDFExtensionLinkClickTest, CtrlShiftLeft) {
MimeHandlerViewGuest* guest = LoadTestLinkPdfGetMimeHandlerView();
WebContents* web_contents = GetActiveWebContents();
const int modifiers = blink::WebInputEvent::kShiftKey | kDefaultKeyModifier;
SimulateMouseClickAt(guest, modifiers, blink::WebMouseEvent::Button::kLeft,
GetLinkPosition(guest));
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->GetVisibleURL();
EXPECT_EQ("http://www.example.com/", url.spec());
}
IN_PROC_BROWSER_TEST_F(PDFExtensionLinkClickTest, ShiftMiddle) {
MimeHandlerViewGuest* guest = LoadTestLinkPdfGetMimeHandlerView();
WebContents* web_contents = GetActiveWebContents();
SimulateMouseClickAt(guest, blink::WebInputEvent::kShiftKey,
blink::WebMouseEvent::Button::kMiddle,
GetLinkPosition(guest));
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->GetVisibleURL();
EXPECT_EQ("http://www.example.com/", url.spec());
}
IN_PROC_BROWSER_TEST_F(PDFExtensionLinkClickTest, ShiftLeft) {
MimeHandlerViewGuest* guest = LoadTestLinkPdfGetMimeHandlerView();
ASSERT_EQ(1U, chrome::GetTotalBrowserCount());
WebContents* web_contents = GetActiveWebContents();
SimulateMouseClickAt(guest, blink::WebInputEvent::kShiftKey,
blink::WebMouseEvent::Button::kLeft,
GetLinkPosition(guest));
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->GetVisibleURL();
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.
ASSERT_TRUE(ui_test_utils::NavigateToURL(
browser(),
embedded_test_server()->GetURL("/pdf/pdf_href_replace_state.html")));
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::ExecJs(web_contents, kPdfLinkClick));
navigation_observer.Wait();
const GURL& current_url = web_contents->GetLastCommittedURL();
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.
MimeHandlerViewGuest* guest = MimeHandlerViewGuest::FromGuestViewBase(
GetGuestViewManager()->WaitForSingleGuestViewCreated());
SimulateMouseClickAt(guest, kDefaultKeyModifier,
blink::WebMouseEvent::Button::kLeft,
GetLinkPosition(guest));
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->GetVisibleURL();
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(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.
MimeHandlerViewGuest* guest = LoadTestLinkPdfGetMimeHandlerView();
ASSERT_TRUE(guest);
ASSERT_TRUE(
content::ExecJs(guest->GetGuestMainFrame(),
"window.viewer.browserApi.getStreamInfo().tabId = "
" chrome.tabs.TAB_ID_NONE;"));
FailOnNavigation fail_if_mimehandler_navigates(guest->web_contents());
SimulateMouseClickAt(guest, blink::WebInputEvent::kNoModifiers,
blink::WebMouseEvent::Button::kLeft,
GetLinkPosition(guest));
// 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::SingleThreadTaskRunner::GetCurrentDefault()->PostDelayedTask(
FROM_HERE, run_loop.QuitClosure(), TestTimeouts::tiny_timeout());
run_loop.Run();
}
class PDFExtensionInternalLinkClickTest : public PDFExtensionTest {
public:
PDFExtensionInternalLinkClickTest() = default;
~PDFExtensionInternalLinkClickTest() override = default;
protected:
MimeHandlerViewGuest* LoadTestLinkPdfGetMimeHandlerView() {
return LoadPdfGetMimeHandlerView(
embedded_test_server()->GetURL("/pdf/test-internal-link.pdf"));
}
gfx::Point GetLinkPosition(MimeHandlerViewGuest* guest) {
// The whole first page is a link.
return ConvertPageCoordToScreenCoord(guest->GetGuestMainFrame(),
{100, 100});
}
};
IN_PROC_BROWSER_TEST_F(PDFExtensionInternalLinkClickTest, CtrlLeft) {
MimeHandlerViewGuest* guest = LoadTestLinkPdfGetMimeHandlerView();
WebContents* web_contents = GetActiveWebContents();
SimulateMouseClickAt(guest, kDefaultKeyModifier,
blink::WebMouseEvent::Button::kLeft,
GetLinkPosition(guest));
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->GetVisibleURL();
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) {
MimeHandlerViewGuest* guest = LoadTestLinkPdfGetMimeHandlerView();
WebContents* web_contents = GetActiveWebContents();
SimulateMouseClickAt(guest, 0, blink::WebMouseEvent::Button::kMiddle,
GetLinkPosition(guest));
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->GetVisibleURL();
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) {
MimeHandlerViewGuest* guest = LoadTestLinkPdfGetMimeHandlerView();
ASSERT_EQ(1U, chrome::GetTotalBrowserCount());
WebContents* web_contents = GetActiveWebContents();
SimulateMouseClickAt(guest, blink::WebInputEvent::kShiftKey,
blink::WebMouseEvent::Button::kLeft,
GetLinkPosition(guest));
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->GetVisibleURL();
EXPECT_EQ("/pdf/test-internal-link.pdf", url.path());
EXPECT_EQ("page=2&zoom=100,0,200", url.ref());
}
class PDFExtensionComboBoxTest : public PDFExtensionTest {
public:
MimeHandlerViewGuest* LoadTestComboBoxPdfGetMimeHandlerView() {
return LoadPdfGetMimeHandlerView(
embedded_test_server()->GetURL("/pdf/combobox_form.pdf"));
}
// 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(MimeHandlerViewGuest* guest) {
return ConvertPageCoordToScreenCoord(guest->GetGuestMainFrame(),
{136, 318});
}
void ClickLeftSideOfEditableComboBox(MimeHandlerViewGuest* guest) {
SimulateMouseClickAt(guest, 0, blink::WebMouseEvent::Button::kLeft,
GetEditableComboBoxLeftPosition(guest));
// Make sure mouse events are sent completely before proceeding, in order to
// avoid races with subsequent keyboard events.
content::InputEventAckWaiter mouse_waiter(
GetPluginFrame(guest)->GetRenderWidgetHost(),
blink::WebInputEvent::Type::kMouseUp);
mouse_waiter.Wait();
}
void TypeHello(MimeHandlerViewGuest* guest) {
struct KeyData {
char ch;
ui::DomCode code;
ui::KeyboardCode key_code;
};
constexpr KeyData kData[] = {
{'H', ui::DomCode::US_H, ui::VKEY_H},
{'E', ui::DomCode::US_E, ui::VKEY_E},
{'L', ui::DomCode::US_L, ui::VKEY_L},
{'L', ui::DomCode::US_L, ui::VKEY_L},
{'O', ui::DomCode::US_O, ui::VKEY_O},
};
content::RenderFrameHost* plugin_frame = GetPluginFrame(guest);
// Make sure that the plugin frame of guest has focus.
ASSERT_EQ(GetActiveWebContents()->GetFocusedFrame(), plugin_frame);
for (const auto& data : kData) {
content::SimulateKeyPress(guest->embedder_web_contents(),
ui::DomKey::FromCharacter(data.ch), data.code,
data.key_code, /*control=*/false,
/*shift=*/false, /*alt=*/false,
/*command=*/false);
content::InputEventAckWaiter key_waiter(
plugin_frame->GetRenderWidgetHost(),
blink::WebInputEvent::Type::kKeyUp);
key_waiter.Wait();
}
}
// Presses the left arrow key.
void PressLeftArrow(MimeHandlerViewGuest* guest) {
// Make sure that the plugin frame of guest has focus.
ASSERT_EQ(GetActiveWebContents()->GetFocusedFrame(), GetPluginFrame(guest));
content::SimulateKeyPressWithoutChar(
guest->embedder_web_contents(), 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(MimeHandlerViewGuest* guest) {
// Make sure that the plugin frame of guest has focus.
ASSERT_EQ(GetActiveWebContents()->GetFocusedFrame(), GetPluginFrame(guest));
content::SimulateKeyPressWithoutChar(guest->embedder_web_contents(),
ui::DomKey::ARROW_LEFT,
ui::DomCode::ARROW_LEFT, ui::VKEY_LEFT,
false, /*shift=*/true, false, false);
}
// Presses the right arrow key.
void PressRightArrow(MimeHandlerViewGuest* guest) {
// Make sure that the plugin frame of guest has focus.
ASSERT_EQ(GetActiveWebContents()->GetFocusedFrame(), GetPluginFrame(guest));
content::SimulateKeyPressWithoutChar(
guest->embedder_web_contents(), 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(MimeHandlerViewGuest* guest) {
// Make sure that the plugin frame of guest has focus.
ASSERT_EQ(GetActiveWebContents()->GetFocusedFrame(), GetPluginFrame(guest));
content::SimulateKeyPressWithoutChar(
guest->embedder_web_contents(), ui::DomKey::ARROW_RIGHT,
ui::DomCode::ARROW_RIGHT, ui::VKEY_RIGHT, false, /*shift=*/true, false,
false);
}
};
class PDFExtensionSaveTest : public PDFExtensionComboBoxTest {
public:
void SetUpOnMainThread() override {
PDFExtensionComboBoxTest::SetUpOnMainThread();
base::ScopedAllowBlockingForTesting allow_blocking;
ASSERT_TRUE(temp_dir_.CreateUniqueTempDir());
}
void SaveEditedPdf(MimeHandlerViewGuest* guest) {
ASSERT_TRUE(content::ExecJs(
guest->GetGuestMainFrame(),
"var viewer = document.getElementById('viewer');"
"var toolbar = viewer.shadowRoot.getElementById('toolbar');"
"var downloads = toolbar.shadowRoot.getElementById('downloads');"
"downloads.shadowRoot.getElementById('download-edited').click();"));
}
void WaitForSavedPdf(const base::FilePath& path) {
while (!base::PathExists(path))
content::RunAllTasksUntilIdle();
}
base::FilePath GetDownloadDir() const { return temp_dir_.GetPath(); }
private:
base::ScopedTempDir temp_dir_;
};
// Flaky, http://crbug.com/1269103
#if BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_WIN) || BUILDFLAG(IS_CHROMEOS)
#define MAYBE_Save DISABLED_Save
#else
#define MAYBE_Save Save
#endif
IN_PROC_BROWSER_TEST_F(PDFExtensionSaveTest, MAYBE_Save) {
base::ScopedAllowBlockingForTesting allow_blocking;
base::FilePath save_path = GetDownloadDir().AppendASCII("edited.pdf");
ASSERT_FALSE(base::PathExists(save_path));
using FileChooser = extensions::FileSystemChooseEntryFunction;
FileChooser::SkipPickerAndAlwaysSelectPathForTest file_picker(save_path);
MimeHandlerViewGuest* guest = LoadTestComboBoxPdfGetMimeHandlerView();
ClickLeftSideOfEditableComboBox(guest);
TypeHello(guest);
SaveEditedPdf(guest);
WaitForSavedPdf(save_path);
}
class PDFExtensionSaveWithPolicyTest : public PDFExtensionSaveTest {
public:
// InProcessBrowserTest:
void SetUpInProcessBrowserTestFixture() override {
policy_provider_.SetDefaultReturns(
/*is_initialization_complete_return=*/true,
/*is_first_policy_load_complete_return=*/true);
policy::BrowserPolicyConnector::SetPolicyProviderForTesting(
&policy_provider_);
}
void SetDownloadPolicyManagedPath(const base::FilePath& path) {
policy::PolicyMap policies;
policies.Set(policy::key::kDownloadDirectory,
policy::POLICY_LEVEL_MANDATORY, policy::POLICY_SCOPE_USER,
policy::POLICY_SOURCE_CLOUD, base::Value(path.AsUTF8Unsafe()),
nullptr);
policy_provider_.UpdateChromePolicy(policies);
base::RunLoop().RunUntilIdle();
}
void CreateConflictingFilenames(const base::FilePath& path, int count) {
for (int i = 0; i < count; ++i) {
base::FilePath unique_path = base::GetUniquePath(path);
ASSERT_TRUE(!unique_path.empty());
ASSERT_TRUE(base::WriteFile(unique_path, ""));
}
}
int CountPdfFilesInDir(const base::FilePath& dir) {
base::FileEnumerator file_enumerator(dir,
/*recursive=*/false,
base::FileEnumerator::FILES,
FILE_PATH_LITERAL("*.pdf"));
int count = 0;
for (base::FilePath file_path = file_enumerator.Next(); !file_path.empty();
file_path = file_enumerator.Next()) {
++count;
}
return count;
}
private:
testing::NiceMock<policy::MockConfigurationPolicyProvider> policy_provider_;
};
// Flaky, http://crbug.com/1269103
#if BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_WIN) || BUILDFLAG(IS_CHROMEOS)
#define MAYBE_SaveWithPolicy DISABLED_SaveWithPolicy
#else
#define MAYBE_SaveWithPolicy SaveWithPolicy
#endif
IN_PROC_BROWSER_TEST_F(PDFExtensionSaveWithPolicyTest, MAYBE_SaveWithPolicy) {
base::ScopedAllowBlockingForTesting allow_blocking;
base::FilePath save_path = GetDownloadDir().AppendASCII("combobox_form.pdf");
ASSERT_FALSE(base::PathExists(save_path));
SetDownloadPolicyManagedPath(GetDownloadDir());
DownloadPrefs::FromBrowserContext(profile())
->SkipSanitizeDownloadTargetPathForTesting();
MimeHandlerViewGuest* guest = LoadTestComboBoxPdfGetMimeHandlerView();
ClickLeftSideOfEditableComboBox(guest);
TypeHello(guest);
SaveEditedPdf(guest);
WaitForSavedPdf(save_path);
}
// Flaky, http://crbug.com/1269103
#if BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS)
#define MAYBE_SaveWithPolicyUniqueNumberSuffix \
DISABLED_SaveWithPolicyUniqueNumberSuffix
#else
#define MAYBE_SaveWithPolicyUniqueNumberSuffix SaveWithPolicyUniqueNumberSuffix
#endif
IN_PROC_BROWSER_TEST_F(PDFExtensionSaveWithPolicyTest,
MAYBE_SaveWithPolicyUniqueNumberSuffix) {
base::ScopedAllowBlockingForTesting allow_blocking;
CreateConflictingFilenames(GetDownloadDir().AppendASCII("combobox_form.pdf"),
5);
EXPECT_EQ(5, CountPdfFilesInDir(GetDownloadDir()));
base::FilePath save_path =
GetDownloadDir().AppendASCII("combobox_form (5).pdf");
ASSERT_FALSE(base::PathExists(save_path));
SetDownloadPolicyManagedPath(GetDownloadDir());
DownloadPrefs::FromBrowserContext(profile())
->SkipSanitizeDownloadTargetPathForTesting();
MimeHandlerViewGuest* guest = LoadTestComboBoxPdfGetMimeHandlerView();
ClickLeftSideOfEditableComboBox(guest);
TypeHello(guest);
SaveEditedPdf(guest);
WaitForSavedPdf(save_path);
}
// TODO(crbug.com/1269103): Make this test non-flaky.
IN_PROC_BROWSER_TEST_F(PDFExtensionSaveWithPolicyTest,
DISABLED_SaveWithPolicyUniqueTimeSuffix) {
base::ScopedAllowBlockingForTesting allow_blocking;
CreateConflictingFilenames(GetDownloadDir().AppendASCII("combobox_form.pdf"),
101);
EXPECT_EQ(101, CountPdfFilesInDir(GetDownloadDir()));
SetDownloadPolicyManagedPath(GetDownloadDir());
DownloadPrefs::FromBrowserContext(profile())
->SkipSanitizeDownloadTargetPathForTesting();
MimeHandlerViewGuest* guest = LoadTestComboBoxPdfGetMimeHandlerView();
ClickLeftSideOfEditableComboBox(guest);
TypeHello(guest);
SaveEditedPdf(guest);
while (CountPdfFilesInDir(GetDownloadDir()) != 102)
content::RunAllTasksUntilIdle();
}
class PDFExtensionClipboardTest : public PDFExtensionComboBoxTest,
public ui::ClipboardObserver {
public:
// 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();
}
// Runs `action` and checks the Linux selection clipboard contains `expected`.
void DoActionAndCheckSelectionClipboard(base::OnceClosure action,
const std::string& expected) {
if (ui::Clipboard::IsSupportedClipboardBuffer(
ui::ClipboardBuffer::kSelection)) {
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();
}
}
// 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(MimeHandlerViewGuest* guest,
const std::string& expected) {
DoActionAndCheckClipboard(base::BindLambdaForTesting([&]() {
guest->embedder_web_contents()->Copy();
}),
ui::ClipboardBuffer::kCopyPaste, expected);
}
private:
// Runs `action` and checks `clipboard_buffer` contains `expected`.
void DoActionAndCheckClipboard(base::OnceClosure action,
ui::ClipboardBuffer clipboard_buffer,
const std::string& expected) {
ASSERT_FALSE(clipboard_quit_closure_);
ui::ClipboardMonitor::GetInstance()->AddObserver(this);
EXPECT_FALSE(clipboard_changed_);
clipboard_changed_ = false;
base::RunLoop run_loop;
clipboard_quit_closure_ = run_loop.QuitClosure();
std::move(action).Run();
run_loop.Run();
EXPECT_FALSE(clipboard_quit_closure_);
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_;
bool clipboard_changed_ = false;
};
// TODO(crbug.com/1121446): Fix flakiness.
#if BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS)
#define MAYBE_IndividualShiftRightArrowPresses \
DISABLED_IndividualShiftRightArrowPresses
#else
#define MAYBE_IndividualShiftRightArrowPresses IndividualShiftRightArrowPresses
#endif
IN_PROC_BROWSER_TEST_F(PDFExtensionClipboardTest,
MAYBE_IndividualShiftRightArrowPresses) {
MimeHandlerViewGuest* guest = LoadTestComboBoxPdfGetMimeHandlerView();
// Give the editable combo box focus.
ClickLeftSideOfEditableComboBox(guest);
TypeHello(guest);
// Put the cursor back to the left side of the combo box.
ClickLeftSideOfEditableComboBox(guest);
// Press shift + right arrow 3 times. Letting go of shift in between.
auto action =
base::BindLambdaForTesting([&]() { PressShiftRightArrow(guest); });
DoActionAndCheckSelectionClipboard(action, "H");
DoActionAndCheckSelectionClipboard(action, "HE");
DoActionAndCheckSelectionClipboard(action, "HEL");
SendCopyCommandAndCheckCopyPasteClipboard(guest, "HEL");
}
// TODO(crbug.com/897801): test is flaky.
IN_PROC_BROWSER_TEST_F(PDFExtensionClipboardTest,
DISABLED_IndividualShiftLeftArrowPresses) {
MimeHandlerViewGuest* guest = LoadTestComboBoxPdfGetMimeHandlerView();
// Give the editable combo box focus.
ClickLeftSideOfEditableComboBox(guest);
TypeHello(guest);
// Put the cursor back to the left side of the combo box.
ClickLeftSideOfEditableComboBox(guest);
for (int i = 0; i < 3; ++i)
PressRightArrow(guest);
// Press shift + left arrow 2 times. Letting go of shift in between.
auto action =
base::BindLambdaForTesting([&]() { PressShiftLeftArrow(guest); });
DoActionAndCheckSelectionClipboard(action, "L");
DoActionAndCheckSelectionClipboard(action, "EL");
SendCopyCommandAndCheckCopyPasteClipboard(guest, "EL");
// Press shift + left arrow 2 times. Letting go of shift in between.
DoActionAndCheckSelectionClipboard(action, "HEL");
DoActionAndCheckSelectionClipboard(action, "HEL");
SendCopyCommandAndCheckCopyPasteClipboard(guest, "HEL");
}
// Flaky, http://crbug.com/1121446, http://crbug.com/1350332
#if BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS) || BUILDFLAG(IS_WIN)
#define MAYBE_CombinedShiftRightArrowPresses \
DISABLED_CombinedShiftRightArrowPresses
#else
#define MAYBE_CombinedShiftRightArrowPresses CombinedShiftRightArrowPresses
#endif
IN_PROC_BROWSER_TEST_F(PDFExtensionClipboardTest,
MAYBE_CombinedShiftRightArrowPresses) {
MimeHandlerViewGuest* guest = LoadTestComboBoxPdfGetMimeHandlerView();
// Give the editable combo box focus.
ClickLeftSideOfEditableComboBox(guest);
TypeHello(guest);
// Put the cursor back to the left side of the combo box.
ClickLeftSideOfEditableComboBox(guest);
// Press shift + right arrow 3 times. Holding down shift in between.
{
content::ScopedSimulateModifierKeyPress hold_shift(
guest->embedder_web_contents(), 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(guest, "HEL");
}
// Flaky on multiple platforms (https://crbug.com/1121446)
IN_PROC_BROWSER_TEST_F(PDFExtensionClipboardTest,
DISABLED_CombinedShiftArrowPresses) {
MimeHandlerViewGuest* guest = LoadTestComboBoxPdfGetMimeHandlerView();
// Give the editable combo box focus.
ClickLeftSideOfEditableComboBox(guest);
TypeHello(guest);
// Put the cursor back to the left side of the combo box.
ClickLeftSideOfEditableComboBox(guest);
for (int i = 0; i < 3; ++i)
PressRightArrow(guest);
// Press shift + left arrow 3 times. Holding down shift in between.
{
content::ScopedSimulateModifierKeyPress hold_shift(
guest->embedder_web_contents(), 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(guest, "HEL");
// Press shift + right arrow 2 times. Holding down shift in between.
{
content::ScopedSimulateModifierKeyPress hold_shift(
guest->embedder_web_contents(), 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(guest, "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(
browser()->tab_strip_model()->GetActiveWebContents());
ASSERT_TRUE(ui_test_utils::NavigateToURL(
browser(), embedded_test_server()->GetURL(
"/pdf/post_message_zero_sized_embed.html")));
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(content::RenderFrameHost* guest_mainframe,
WebContents* contents,
base::OnceClosure send_events) {
constexpr char kListenPinchUpdate[] = R"(
const gestureDetector = viewer.viewport.getGestureDetectorForTesting();
var updatePromise = new Promise((resolve) => {
gestureDetector.getEventTarget().addEventListener('pinchupdate',
resolve);
});
)";
ASSERT_TRUE(content::ExecJs(guest_mainframe, kListenPinchUpdate));
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();
EXPECT_EQ(true, content::EvalJs(guest_mainframe,
"updatePromise.then((update) => !!update);"));
zoom_watcher.Wait();
// Check that the browser's native pinch zoom was prevented.
EXPECT_DOUBLE_EQ(
1.0,
content::EvalJs(contents, "window.visualViewport.scale").ExtractDouble());
}
// Ensure that touchpad pinch events are handled by the PDF viewer.
IN_PROC_BROWSER_TEST_F(PDFExtensionTest, TouchpadPinchInvokesCustomZoom) {
MimeHandlerViewGuest* guest = LoadPdfGetMimeHandlerView(
embedded_test_server()->GetURL("/pdf/test.pdf"));
ASSERT_TRUE(guest);
content::RenderFrameHost* guest_mainframe = guest->GetGuestMainFrame();
ASSERT_TRUE(guest_mainframe);
content::WaitForHitTestData(guest_mainframe);
base::OnceClosure send_pinch = base::BindOnce(
[](content::RenderFrameHost* guest_mainframe) {
const gfx::Rect guest_rect =
guest_mainframe->GetView()->GetViewBounds();
const gfx::Point mouse_position(guest_rect.width() / 2,
guest_rect.height() / 2);
content::SimulateGesturePinchSequence(
guest_mainframe->GetRenderWidgetHost(), mouse_position, 1.23,
blink::WebGestureDevice::kTouchpad);
},
guest_mainframe);
EnsureCustomPinchZoomInvoked(guest_mainframe, GetActiveWebContents(),
std::move(send_pinch));
}
#if !BUILDFLAG(IS_MAC)
// Ensure that ctrl-wheel events are handled by the PDF viewer.
IN_PROC_BROWSER_TEST_F(PDFExtensionTest, CtrlWheelInvokesCustomZoom) {
MimeHandlerViewGuest* guest = LoadPdfGetMimeHandlerView(
embedded_test_server()->GetURL("/pdf/test.pdf"));
ASSERT_TRUE(guest);
content::RenderFrameHost* guest_mainframe = guest->GetGuestMainFrame();
ASSERT_TRUE(guest_mainframe);
content::WaitForHitTestData(guest_mainframe);
base::OnceClosure send_ctrl_wheel = base::BindOnce(
[](content::RenderFrameHost* guest_mainframe) {
const gfx::Rect guest_rect =
guest_mainframe->GetView()->GetViewBounds();
const gfx::Point mouse_position(guest_rect.width() / 2,
guest_rect.height() / 2);
content::SimulateMouseWheelCtrlZoomEvent(
guest_mainframe->GetRenderWidgetHost(), mouse_position, true,
blink::WebMouseWheelEvent::kPhaseBegan);
},
guest_mainframe);
EnsureCustomPinchZoomInvoked(guest_mainframe, 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) {
MimeHandlerViewGuest* guest = LoadPdfGetMimeHandlerView(
embedded_test_server()->GetURL("/pdf/test.pdf"));
ASSERT_TRUE(guest);
content::RenderFrameHost* guest_mainframe = guest->GetGuestMainFrame();
ASSERT_TRUE(guest_mainframe);
content::WaitForHitTestData(guest_mainframe);
base::OnceClosure send_touchscreen_pinch = base::BindOnce(
[](WebContents* web_contents, content::RenderFrameHost* guest_mainframe) {
const gfx::Rect guest_rect =
guest_mainframe->GetView()->GetViewBounds();
const gfx::PointF anchor_position(guest_rect.width() / 2,
guest_rect.height() / 2);
base::RunLoop run_loop;
content::SimulateTouchscreenPinch(web_contents, anchor_position, 1.2f,
run_loop.QuitClosure());
run_loop.Run();
},
GetActiveWebContents(), guest_mainframe);
EnsureCustomPinchZoomInvoked(guest_mainframe, GetActiveWebContents(),
std::move(send_touchscreen_pinch));
}
#endif // !BUILDFLAG(IS_MAC)
using PDFExtensionHitTestTest = PDFExtensionTest;
// Flaky in nearly all configurations; see https://crbug.com/856169.
IN_PROC_BROWSER_TEST_F(PDFExtensionHitTestTest, DISABLED_MouseLeave) {
// Load page with embedded PDF and make sure it succeeds.
MimeHandlerViewGuest* guest = LoadPdfGetMimeHandlerView(
embedded_test_server()->GetURL("/pdf/pdf_embed.html"));
ASSERT_TRUE(guest);
content::RenderFrameHost* guest_mainframe = guest->GetGuestMainFrame();
ASSERT_TRUE(guest_mainframe);
content::WaitForHitTestData(guest_mainframe);
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::ExecJs(guest_mainframe,
"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.
WebContents* embedder_contents = GetActiveWebContents();
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 {
leave_count = EvalJs(guest_mainframe, "leave_count;").ExtractInt();
} while (!leave_count);
EXPECT_EQ(1, EvalJs(guest_mainframe, "enter_count;"));
}
IN_PROC_BROWSER_TEST_F(PDFExtensionHitTestTest, ContextMenuCoordinates) {
// Load page with embedded PDF and make sure it succeeds.
MimeHandlerViewGuest* guest = LoadPdfGetMimeHandlerView(
embedded_test_server()->GetURL("/pdf/pdf_embed.html"));
ASSERT_TRUE(guest);
content::RenderFrameHost* guest_mainframe = guest->GetGuestMainFrame();
ASSERT_TRUE(guest_mainframe);
content::WaitForHitTestData(guest_mainframe);
// Observe context menu IPC.
content::RenderFrameHost* plugin_frame = GetPluginFrame(guest);
content::ContextMenuInterceptor context_menu_interceptor(plugin_frame);
ContextMenuWaiter menu_observer;
// Send mouse right-click to activate context menu.
gfx::Point context_menu_position(80, 130);
content::SimulateMouseClickAt(GetActiveWebContents(), kDefaultKeyModifier,
blink::WebMouseEvent::Button::kRight,
context_menu_position);
// We expect the context menu, invoked via the RenderFrameHost, to be using
// root view coordinates.
menu_observer.WaitForMenuOpenAndClose();
ASSERT_EQ(context_menu_position.x(), menu_observer.params().x);
ASSERT_EQ(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();
gfx::Point received_context_menu_position =
plugin_frame->GetRenderWidgetHost()
->GetView()
->TransformPointToRootCoordSpace({params.x, params.y});
EXPECT_EQ(context_menu_position, received_context_menu_position);
// 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.
}
// 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();
MimeHandlerViewGuest* guest = LoadPdfGetMimeHandlerView(
embedded_test_server()->GetURL("/pdf/test.pdf"));
ASSERT_TRUE(guest);
content::RenderFrameHost* guest_mainframe = guest->GetGuestMainFrame();
ASSERT_TRUE(guest_mainframe);
const std::string script =
"window.getComputedStyle(document.body, null)."
"getPropertyValue('background-color')";
std::string outer =
content::EvalJs(GetActiveWebContents(), script).ExtractString();
std::string inner = content::EvalJs(guest_mainframe, script).ExtractString();
EXPECT_EQ(inner, outer);
}
IN_PROC_BROWSER_TEST_F(PDFExtensionTest, DefaultFocusForEmbeddedPDF) {
MimeHandlerViewGuest* guest = LoadPdfGetMimeHandlerView(
embedded_test_server()->GetURL("/pdf/pdf_embed.html"));
ASSERT_TRUE(guest);
content::RenderFrameHost* guest_mainframe = guest->GetGuestMainFrame();
ASSERT_TRUE(guest_mainframe);
// Verify that current focus state is body element.
const std::string script =
"const is_plugin_focused = document.activeElement === "
"document.body;"
"is_plugin_focused;";
ASSERT_EQ(true, content::EvalJs(guest_mainframe, script));
}
IN_PROC_BROWSER_TEST_F(PDFExtensionTest, DefaultFocusForNonEmbeddedPDF) {
MimeHandlerViewGuest* guest = LoadPdfGetMimeHandlerView(
embedded_test_server()->GetURL("/pdf/test.pdf"));
ASSERT_TRUE(guest);
content::RenderFrameHost* guest_mainframe = guest->GetGuestMainFrame();
ASSERT_TRUE(guest_mainframe);
// Verify that current focus state is document element.
const std::string script =
"const is_plugin_focused = document.activeElement === "
"document.body;"
"is_plugin_focused;";
ASSERT_EQ(true, content::EvalJs(guest_mainframe, script));
}
// 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());
}
RequestWaiter(const RequestWaiter&) = delete;
RequestWaiter& operator=(const RequestWaiter&) = delete;
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;
};
// 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).
ui_test_utils::NavigateToURLWithDisposition(
browser(),
embedded_test_server()->GetURL(
"/pdf/pdf_embed_with_hung_sibling_subframe.html"),
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).
WebContents* web_contents = 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.
ASSERT_TRUE(ui_test_utils::NavigateToURL(
browser(), embedded_test_server()->GetURL("/title1.html")));
// Open a new popup and call document.write to add an embedded PDF.
WebContents* popup = nullptr;
{
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;
ASSERT_TRUE(content::ExecJs(
GetActiveWebContents(),
content::JsReplace(kScriptTemplate,
embedded_test_server()->GetURL("/pdf/test.pdf"))));
popup = popup_observer.GetWebContents();
}
// Verify the PDF loaded successfully.
ASSERT_TRUE(pdf_extension_test_util::EnsurePDFHasLoaded(popup));
}
IN_PROC_BROWSER_TEST_F(PDFExtensionTest, LoadPdfFromExtension) {
const extensions::Extension* test_extension = LoadExtension(
GetTestResourcesParentDir().AppendASCII("pdf/extension_with_pdf"));
ASSERT_TRUE(test_extension);
EXPECT_TRUE(LoadPdf(test_extension->GetResourceURL("test.pdf")));
}
// 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) {
const extensions::Extension* test_extension = LoadExtension(
GetTestResourcesParentDir().AppendASCII("pdf/extension_injects_iframe"));
ASSERT_TRUE(test_extension);
EXPECT_TRUE(LoadPdf(embedded_test_server()->GetURL("/pdf/test.pdf")));
}
IN_PROC_BROWSER_TEST_F(PDFExtensionTest, Metrics) {
base::HistogramTester histograms;
base::UserActionTester actions;
MimeHandlerViewGuest* guest = LoadPdfGetMimeHandlerView(
embedded_test_server()->GetURL("/pdf/combobox_form.pdf"));
ASSERT_TRUE(guest);
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.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) {
MimeHandlerViewGuest* guest = LoadPdfGetMimeHandlerView(
embedded_test_server()->GetURL("/pdf/test.pdf"));
ASSERT_TRUE(guest);
content::RenderFrameHost* guest_mainframe = guest->GetGuestMainFrame();
ASSERT_TRUE(guest_mainframe);
// Set focus on last toolbar element (zoom-out-button).
ASSERT_TRUE(content::ExecJs(guest_mainframe,
R"(viewer.shadowRoot.querySelector('#zoomToolbar')
.$['zoom-out-button']
.$$('cr-icon-button')
.focus();)"));
// The script will ensure we return the the focused element on focus.
const char kScript[] = R"(
const plugin = viewer.shadowRoot.querySelector('#plugin');
plugin.addEventListener('focus', () => {
window.domAutomationController.send('plugin');
});
const button = viewer.shadowRoot.querySelector('#zoomToolbar')
.$['zoom-out-button']
.$$('cr-icon-button');
button.addEventListener('focus', () => {
window.domAutomationController.send('zoom-out-button');
});
)";
ASSERT_TRUE(content::ExecJs(guest_mainframe, kScript));
// Helper to simulate a tab press and wait for a focus message.
auto press_tab_and_wait_for_message = [guest_mainframe, this](bool reverse) {
content::DOMMessageQueue msg_queue(guest_mainframe);
std::string reply;
SimulateKeyPress(GetActiveWebContents(), 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));
}
class PDFExtensionPrerenderTest : public PDFExtensionTest {
public:
void SetUpCommandLine(base::CommandLine* command_line) override {
PDFExtensionTest::SetUpCommandLine(command_line);
// |prerender_helper_| has a ScopedFeatureList so we needed to delay its
// creation until now because PDFExtensionTest also uses a ScopedFeatureList
// and initialization order matters.
prerender_helper_ = std::make_unique<content::test::PrerenderTestHelper>(
base::BindRepeating(&PDFExtensionPrerenderTest::GetActiveWebContents,
base::Unretained(this)));
}
void SetUpOnMainThread() override {
prerender_helper_->SetUp(embedded_test_server());
PDFExtensionTest::SetUpOnMainThread();
}
protected:
void PrerenderAndExpectCancellation(const GURL& prerender_url) {
content::test::PrerenderHostObserver observer(*GetActiveWebContents(),
prerender_url);
prerender_helper().AddPrerenderAsync(prerender_url);
observer.WaitForDestroyed();
}
content::test::PrerenderTestHelper& prerender_helper() {
return *prerender_helper_;
}
private:
std::unique_ptr<content::test::PrerenderTestHelper> prerender_helper_;
};
// TODO(1205920): The PDF viewer cannot currently be prerendered correctly. This
// tests that prerendering is cancelled. Once we're able to support this, this
// test should be replaced with one that prerenders the PDF viewer.
IN_PROC_BROWSER_TEST_F(PDFExtensionPrerenderTest, CancelPrerender) {
const GURL initial_url =
embedded_test_server()->GetURL("a.test", "/empty.html");
const GURL pdf_url =
embedded_test_server()->GetURL("a.test", "/pdf/test.pdf");
WebContents* web_contents = GetActiveWebContents();
ASSERT_TRUE(ui_test_utils::NavigateToURL(browser(), initial_url));
PrerenderAndExpectCancellation(pdf_url);
EXPECT_EQ(0U, GetGuestViewManager()->num_guests_created());
prerender_helper().NavigatePrimaryPage(pdf_url);
ASSERT_EQ(web_contents->GetLastCommittedURL(), pdf_url);
EXPECT_TRUE(pdf_extension_test_util::EnsurePDFHasLoaded(web_contents));
}
// TODO(1205920): The PDF viewer cannot currently be prerendered correctly. This
// tests that prerendering is cancelled if a PDF is embedded in a prerendered
// page. Once we're able to support this, this test should be replaced with one
// that prerenders the PDF viewer.
IN_PROC_BROWSER_TEST_F(PDFExtensionPrerenderTest,
CancelPrerenderWithEmbeddedPdf) {
const GURL initial_url =
embedded_test_server()->GetURL("a.test", "/empty.html");
const GURL pdf_url =
embedded_test_server()->GetURL("a.test", "/pdf/test-iframe.html");
WebContents* web_contents = GetActiveWebContents();
ASSERT_TRUE(ui_test_utils::NavigateToURL(browser(), initial_url));
PrerenderAndExpectCancellation(pdf_url);
EXPECT_EQ(0U, GetGuestViewManager()->num_guests_created());
prerender_helper().NavigatePrimaryPage(pdf_url);
ASSERT_EQ(web_contents->GetLastCommittedURL(), pdf_url);
EXPECT_TRUE(GetGuestViewManager()->WaitForSingleGuestViewCreated());
}
// Cross-origin subframe navigations are deferred during prerendering, which
// means that an embedded cross-site PDF will not cause the PDF viewer to be
// created until prerender activation.
IN_PROC_BROWSER_TEST_F(PDFExtensionPrerenderTest,
PrerenderWithCrossSiteEmbeddedPdf) {
const GURL initial_url =
embedded_test_server()->GetURL("a.test", "/empty.html");
const GURL pdf_url = embedded_test_server()->GetURL(
"a.test", "/pdf/test-cross-site-iframe.html");
WebContents* web_contents = GetActiveWebContents();
ASSERT_TRUE(ui_test_utils::NavigateToURL(browser(), initial_url));
content::test::PrerenderHostRegistryObserver registry_observer(*web_contents);
prerender_helper().AddPrerenderAsync(pdf_url);
registry_observer.WaitForTrigger(pdf_url);
const auto host_id = prerender_helper().GetHostForUrl(pdf_url);
EXPECT_NE(host_id, content::RenderFrameHost::kNoFrameTreeNodeId);
content::test::PrerenderHostObserver prerender_observer(*web_contents,
host_id);
prerender_helper().NavigatePrimaryPage(pdf_url);
prerender_observer.WaitForActivation();
ASSERT_EQ(web_contents->GetLastCommittedURL(), pdf_url);
EXPECT_TRUE(GetGuestViewManager()->WaitForSingleGuestViewCreated());
}
class PDFExtensionSubmitFormTest : public PDFExtensionTest {
public:
void SetUpOnMainThread() override {
embedded_test_server()->RegisterRequestMonitor(base::BindLambdaForTesting(
[this](const net::test_server::HttpRequest& request) {
if (request.relative_url != "/pdf/test_endpoint")
return;
EXPECT_EQ(request.method, net::test_server::METHOD_POST);
EXPECT_THAT(request.content, StartsWith("\%FDF"));
ASSERT_TRUE(quit_closure_);
std::move(quit_closure_).Run();
}));
PDFExtensionTest::SetUpOnMainThread();
}
protected:
// Retrieves a `base::RunLoop` and saves its `QuitClosure()`. The test
// monitors HTTP requests on the IO thread, so `quit_closure_` needs to be set
// up on the UI thread before the requests can arrive.
std::unique_ptr<base::RunLoop> CreateFormSubmissionRunLoop() {
auto run_loop = std::make_unique<base::RunLoop>();
EXPECT_FALSE(quit_closure_);
quit_closure_ = run_loop->QuitClosure();
return run_loop;
}
private:
base::OnceClosure quit_closure_;
};
IN_PROC_BROWSER_TEST_F(PDFExtensionSubmitFormTest, SubmitForm) {
MimeHandlerViewGuest* guest = LoadPdfGetMimeHandlerView(
embedded_test_server()->GetURL("/pdf/submit_form.pdf"));
ASSERT_TRUE(guest);
content::RenderFrameHost* guest_mainframe = guest->GetGuestMainFrame();
ASSERT_TRUE(guest_mainframe);
std::unique_ptr<base::RunLoop> run_loop = CreateFormSubmissionRunLoop();
// Click on the "Submit Form" button.
SimulateMouseClickAt(
guest, blink::WebInputEvent::kNoModifiers,
blink::WebMouseEvent::Button::kLeft,
ConvertPageCoordToScreenCoord(guest_mainframe, {200, 200}));
run_loop->Run();
}
class PDFExtensionPrerenderAndFencedFrameTest : public PDFExtensionTest {
public:
PDFExtensionPrerenderAndFencedFrameTest() = default;
~PDFExtensionPrerenderAndFencedFrameTest() override = default;
void SetUpCommandLine(base::CommandLine* command_line) override {
PDFExtensionTest::SetUpCommandLine(command_line);
// `prerender_helper_` and `fenced_frame_helper_` has a ScopedFeatureList so
// we needed to delay its creation until now because PDFExtensionTest
// also uses a ScopedFeatureList and initialization order matters.
prerender_helper_ = std::make_unique<content::test::PrerenderTestHelper>(
base::BindRepeating(&PDFExtensionPrerenderTest::GetActiveWebContents,
base::Unretained(this)));
fenced_frame_helper_ =
std::make_unique<content::test::FencedFrameTestHelper>();
}
content::test::PrerenderTestHelper& prerender_helper() {
return *prerender_helper_;
}
content::test::FencedFrameTestHelper& fenced_frame_helper() {
return *fenced_frame_helper_;
}
private:
std::unique_ptr<content::test::PrerenderTestHelper> prerender_helper_;
std::unique_ptr<content::test::FencedFrameTestHelper> fenced_frame_helper_;
};
// TODO(1205920): The PDF viewer cannot currently be prerendered correctly. Once
// this is supported, this test should be re-enabled.
IN_PROC_BROWSER_TEST_F(PDFExtensionPrerenderAndFencedFrameTest,
DISABLED_LoadPDFInPrerender) {
GURL url = embedded_test_server()->GetURL("/empty.html");
ASSERT_TRUE(content::NavigateToURL(GetActiveWebContents(), url));
TestMimeHandlerViewGuest::RegisterTestGuestViewType(GetGuestViewManager());
// Set a 1s delay to delay MimeHandlerViewGuest's creation to ensure that the
// fenced frame is loaded while the PDF stream is not yet consumed.
const int creation_delay = TestTimeouts::tiny_timeout().InMilliseconds();
TestMimeHandlerViewGuest::DelayNextCreateWebContents(creation_delay);
// Load a PDF in the prerender.
GURL prerender_url = embedded_test_server()->GetURL("/pdf/test.pdf");
content::test::PrerenderHostRegistryObserver registry_observer(
*GetActiveWebContents());
prerender_helper().AddPrerenderAsync(prerender_url);
registry_observer.WaitForTrigger(prerender_url);
// Create a fenced frame.
const GURL fenced_frame_url =
embedded_test_server()->GetURL("/fenced_frames/title1.html");
content::RenderFrameHost* fenced_frame_host =
fenced_frame_helper().CreateFencedFrame(
GetActiveWebContents()->GetPrimaryMainFrame(), fenced_frame_url);
ASSERT_TRUE(fenced_frame_host);
auto* guest_view = GetGuestViewManager()->WaitForSingleGuestViewCreated();
ASSERT_TRUE(guest_view);
TestMimeHandlerViewGuest::WaitForGuestLoadStartThenStop(guest_view);
// Ensure that the fenced frame's navigation should not abort the PDF stream.
EXPECT_EQ(1U, GetGuestViewManager()->GetCurrentGuestCount());
}
// Test that ensures we cannot navigate a fenced frame to a PDF because PDF
// isn't allowed by default static sandbox flags of fenced frames.
IN_PROC_BROWSER_TEST_F(PDFExtensionPrerenderAndFencedFrameTest,
LoadPdfInFencedFrame) {
ASSERT_TRUE(content::NavigateToURL(
GetActiveWebContents(), embedded_test_server()->GetURL("/empty.html")));
// Create a fenced frame and try to navigate to a PDF.
EXPECT_TRUE(fenced_frame_helper().CreateFencedFrame(
GetActiveWebContents()->GetPrimaryMainFrame(),
embedded_test_server()->GetURL("/pdf/test-fenced-frame.pdf"),
net::Error::ERR_BLOCKED_BY_CLIENT));
EXPECT_EQ(CountPDFProcesses(), 0);
}
// Like `LoadPdfInFencedFrame`, but without Supports-Loading-Mode headers set.
IN_PROC_BROWSER_TEST_F(PDFExtensionPrerenderAndFencedFrameTest,
LoadPdfInFencedFrameWithoutFencedFrameOptIn) {
ASSERT_TRUE(content::NavigateToURL(
GetActiveWebContents(), embedded_test_server()->GetURL("/empty.html")));
// Create a fenced frame and try to navigate to a PDF.
EXPECT_TRUE(fenced_frame_helper().CreateFencedFrame(
GetActiveWebContents()->GetPrimaryMainFrame(),
embedded_test_server()->GetURL("/pdf/test.pdf"),
net::Error::ERR_BLOCKED_BY_RESPONSE));
EXPECT_EQ(CountPDFProcesses(), 0);
}
// Test that ensures a fenced frame cannot load a document embedding a PDF
// because PDF isn't allowed in fenced frames.
IN_PROC_BROWSER_TEST_F(PDFExtensionPrerenderAndFencedFrameTest,
LoadEmbeddedPdfInFencedFrame) {
ASSERT_TRUE(content::NavigateToURL(
GetActiveWebContents(), embedded_test_server()->GetURL("/empty.html")));
// Create a fenced frame for loading a document with pdf embed(s).
content::RenderFrameHost* fenced_frame_host =
fenced_frame_helper().CreateFencedFrame(
GetActiveWebContents()->GetPrimaryMainFrame(),
embedded_test_server()->GetURL("/fenced_frames/title1.html"));
ASSERT_TRUE(fenced_frame_host);
const GURL pdf_url =
embedded_test_server()->GetURL("/pdf/test-fenced-frame.pdf");
// Ensure that the fenced frame cannot load a PDF embedding with <iframe>.
ASSERT_TRUE(content::ExecJs(
fenced_frame_host,
content::JsReplace("let e = document.createElement('iframe');"
"e.src = $1;"
"e.type = 'application/pdf';"
"document.body.appendChild(e);",
pdf_url)));
ASSERT_TRUE(content::WaitForLoadStop(GetActiveWebContents()));
EXPECT_EQ(CountPDFProcesses(), 0);
// Ensure that the fenced frame cannot load a PDF embedding with <object>.
ASSERT_TRUE(content::ExecJs(
fenced_frame_host,
content::JsReplace("let e = document.createElement('object');"
"e.data = $1;"
"e.type = 'application/pdf';"
"document.body.appendChild(e);",
pdf_url)));
ASSERT_TRUE(content::WaitForLoadStop(GetActiveWebContents()));
EXPECT_EQ(CountPDFProcesses(), 0);
// Ensure that the fenced frame cannot load a PDF embedding with <embed>.
ASSERT_TRUE(content::ExecJs(
fenced_frame_host,
content::JsReplace("let e = document.createElement('embed');"
"e.src = $1;"
"e.type = 'application/pdf';"
"document.body.appendChild(e);",
pdf_url)));
ASSERT_TRUE(content::WaitForLoadStop(GetActiveWebContents()));
EXPECT_EQ(CountPDFProcesses(), 0);
}
// Exercise a race condition where the profile is destroyed in the middle of a
// PDF navigation and ensure that this doesn't crash. Specifically,
// `PdfNavigationThrottle` intercepts PDF navigations to PDF stream URLs,
// cancels them, and posts a task to navigate to the original URL instead.
// Triggering profile destruction after this task is posted but before it runs
// has previously led to issues in https://crbug.com/1382761.
IN_PROC_BROWSER_TEST_F(PDFExtensionTest, PdfNavigationDuringProfileShutdown) {
// Open an Incognito window and navigate it to a page with a PDF embedded in
// an iframe.
Browser* incognito = CreateIncognitoBrowser();
content::WebContents* incognito_contents =
incognito->tab_strip_model()->GetActiveWebContents();
incognito_contents->GetController().LoadURL(
embedded_test_server()->GetURL("/pdf/test-cross-site-iframe.html"),
content::Referrer(), ui::PAGE_TRANSITION_TYPED, std::string());
// Wait for the MimeHandleView guest to be created. This should return
// before the actual PDF navigation in the guest is started.
GuestViewBase* guest_view = GetGuestViewManager(incognito->profile())
->WaitForSingleGuestViewCreated();
ASSERT_TRUE(guest_view);
// Look up the PDF stream URL to which the navigation will take place.
extensions::MimeHandlerViewGuest* guest =
extensions::MimeHandlerViewGuest::FromWebContents(
guest_view->web_contents());
ASSERT_TRUE(guest);
base::WeakPtr<extensions::StreamContainer> stream = guest->GetStreamWeakPtr();
EXPECT_TRUE(stream);
GURL stream_url(stream->stream_url());
// Use TestNavigationManager to wait for first yield after running
// DidStartNavigation throttles. This should be precisely after the
// navigation to the stream URL gets canceled and the task to start a new
// navigation to the original URL is scheduled.
{
content::TestNavigationManager manager(guest_view->web_contents(),
stream_url);
ASSERT_TRUE(manager.WaitForFirstYieldAfterDidStartNavigation());
}
// Now, close Incognito and destroy its profile. This is subtle: simply
// closing the Incognito window and waiting for browser destruction (e.g.,
// with `ui_test_utils::WaitForBrowserToClose(incognito)`) will trigger
// asynchronous profile destruction which will allow the PDF task to run
// before profile destruction is complete, sidestepping the bug in
// https://crbug.com/1382761. Instead, use the hard shutdown/restart logic
// similar to that in `BrowserCloseManager::CloseBrowsers()`, which is used
// by `chrome::ExitIgnoreUnloadHandlers() and forces the `Browser` and its
// profile shutdown to complete synchronously, but only on the Incognito
// Browser object. Note that we can't just use
// `chrome::ExitIgnoreUnloadHandlers()` here, as that shuts down all Browser
// objects and the rest of the browser process and appears to be unsupported
// in tests.
chrome::CloseWindow(incognito);
BrowserView* incognito_view = static_cast<BrowserView*>(incognito->window());
incognito_view->DestroyBrowser();
// The test succeeds if it doesn't crash when the posted PDF task attempts to
// run (the task should be canceled/ignored), so wait for this to happen.
base::RunLoop().RunUntilIdle();
}