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// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/plugins/plugin_info_host_impl.h"
#include <stddef.h>
#include <memory>
#include <string>
#include "base/command_line.h"
#include "base/feature_list.h"
#include "base/files/file_path.h"
#include "base/i18n/base_i18n_switches.h"
#include "base/i18n/rtl.h"
#include "base/run_loop.h"
#include "base/strings/utf_string_conversions.h"
#include "base/test/gmock_move_support.h"
#include "base/test/mock_callback.h"
#include "base/test/scoped_feature_list.h"
#include "build/branding_buildflags.h"
#include "chrome/browser/plugins/plugin_prefs.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/browser/ui/tabs/tab_strip_model.h"
#include "chrome/common/chrome_content_client.h"
#include "chrome/common/plugin.mojom.h"
#include "chrome/test/base/in_process_browser_test.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/web_contents.h"
#include "content/public/common/webplugininfo.h"
#include "content/public/test/browser_test.h"
#include "pdf/buildflags.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/skia/include/core/SkColor.h"
#include "url/gurl.h"
#include "url/origin.h"
#if BUILDFLAG(ENABLE_PDF)
#include "components/pdf/common/constants.h"
#endif // BUILDFLAG(ENABLE_PDF)
namespace {
using ::chrome::mojom::PluginInfo;
using ::chrome::mojom::PluginInfoHost;
using ::chrome::mojom::PluginInfoPtr;
using ::chrome::mojom::PluginStatus;
using ::content::WebPluginInfo;
using ::content::WebPluginMimeType;
using ::testing::Contains;
using ::testing::ElementsAre;
using ::testing::Field;
using ::testing::IsEmpty;
using ::testing::SizeIs;
} // namespace
class PluginInfoHostImplTest : public InProcessBrowserTest {
public:
PluginInfoHostImplTest() {}
void SetUpOnMainThread() override {
int active_render_process_id = browser()
->tab_strip_model()
->GetActiveWebContents()
->GetPrimaryMainFrame()
->GetProcess()
->GetDeprecatedID();
plugin_info_host_impl_ = std::make_unique<PluginInfoHostImpl>(
active_render_process_id, browser()->profile());
}
void TearDownOnMainThread() override { plugin_info_host_impl_.reset(); }
protected:
PluginInfoPtr GetPluginInfo(const GURL& url,
const url::Origin& origin,
const std::string& mime_type) {
PluginInfoPtr plugin_info;
base::MockCallback<PluginInfoHost::GetPluginInfoCallback> mock_callback;
EXPECT_CALL(mock_callback, Run).WillOnce(MoveArg(&plugin_info));
base::RunLoop run_loop;
plugin_info_host_impl_->GetPluginInfo(
url, origin, mime_type,
mock_callback.Get().Then(run_loop.QuitClosure()));
run_loop.Run();
return plugin_info;
}
void SetAlwaysOpenPdfExternally() {
PluginPrefs::GetForProfile(browser()->profile())
->SetAlwaysOpenPdfExternallyForTests(true);
}
std::unique_ptr<PluginInfoHostImpl> plugin_info_host_impl_;
base::test::ScopedFeatureList feature_list_;
};
#if BUILDFLAG(ENABLE_PDF)
class PluginInfoHostImplBidiTestBase : public PluginInfoHostImplTest {
public:
virtual bool rtl() const { return false; }
void SetUpCommandLine(base::CommandLine* command_line) override {
if (rtl()) {
// Pass "--force-ui-direction=rtl" instead of setting an RTL locale, as
// setting a locale requires extra code on GLib platforms. Setting the UI
// direction has the same effect on the extension name, which is all
// that's needed for these tests.
command_line->AppendSwitchASCII(switches::kForceUIDirection,
switches::kForceDirectionRTL);
}
}
};
// Variation that tests under left-to-right and right-to-left directions. The
// direction affects the PDF viewer extension, as the plugin name is derived
// from the extension name, and the extension name may be adjusted to include
// Unicode bidirectional control characters in RTL mode. These extra control
// characters can break string comparisons (see crbug.com/1404260).
class PluginInfoHostImplBidiTest : public PluginInfoHostImplBidiTestBase,
public testing::WithParamInterface<bool> {
public:
bool rtl() const override { return GetParam(); }
};
#endif // BUILDFLAG(ENABLE_PDF)
IN_PROC_BROWSER_TEST_F(PluginInfoHostImplTest, CoverAllPlugins) {
// Note that "internal" plugins are the only type that can be registered with
// `content::PluginService` now.
std::vector<WebPluginInfo> plugins;
content::PluginService::GetInstance()->GetInternalPlugins(&plugins);
size_t expected_plugin_count = 0;
#if BUILDFLAG(ENABLE_PDF)
EXPECT_THAT(
plugins,
Contains(
Field("path", &WebPluginInfo::path,
base::FilePath(ChromeContentClient::kPDFExtensionPluginPath))));
EXPECT_THAT(
plugins,
Contains(
Field("path", &WebPluginInfo::path,
base::FilePath(ChromeContentClient ::kPDFInternalPluginPath))));
expected_plugin_count += 2;
#endif // BUILDFLAG(ENABLE_PDF)
EXPECT_THAT(plugins, SizeIs(expected_plugin_count));
}
IN_PROC_BROWSER_TEST_F(PluginInfoHostImplTest, GetPluginInfoForFlash) {
PluginInfoPtr plugin_info = GetPluginInfo(GURL("fake.swf"), url::Origin(),
"application/x-shockwave-flash");
ASSERT_TRUE(plugin_info);
EXPECT_EQ(PluginStatus::kNotFound, plugin_info->status);
}
IN_PROC_BROWSER_TEST_F(PluginInfoHostImplTest, GetPluginInfoForFutureSplash) {
PluginInfoPtr plugin_info = GetPluginInfo(GURL("fake.spl"), url::Origin(),
"application/futuresplash");
ASSERT_TRUE(plugin_info);
EXPECT_EQ(PluginStatus::kNotFound, plugin_info->status);
}
#if BUILDFLAG(ENABLE_PDF)
IN_PROC_BROWSER_TEST_P(PluginInfoHostImplBidiTest,
GetPluginInfoForPdfViewerExtension) {
#if BUILDFLAG(GOOGLE_CHROME_BRANDING)
const std::u16string kPluginName = u"Chrome PDF Viewer";
const std::string kGroupId = "google-chrome-pdf";
#else
const std::u16string kPluginName = u"Chromium PDF Viewer";
const std::string kGroupId = "chromium-pdf";
#endif // BUILDFLAG(GOOGLE_CHROME_BRANDING)
PluginInfoPtr plugin_info =
GetPluginInfo(GURL("fake.pdf"), url::Origin(), pdf::kPDFMimeType);
ASSERT_TRUE(plugin_info);
EXPECT_EQ(PluginStatus::kAllowed, plugin_info->status);
EXPECT_EQ(pdf::kPDFMimeType, plugin_info->actual_mime_type);
// Group ID and name defined by `PluginInfoHostImpl`.
EXPECT_EQ(kGroupId, plugin_info->group_identifier);
EXPECT_EQ(kPluginName, plugin_info->group_name);
// `WebPluginInfo` fields.
std::u16string expected_plugin_name = kPluginName;
if (rtl()) {
// Extra characters are added by `extensions::Extension::LoadName()`.
ASSERT_TRUE(
base::i18n::AdjustStringForLocaleDirection(&expected_plugin_name));
}
EXPECT_EQ(expected_plugin_name, plugin_info->plugin.name);
EXPECT_EQ(base::FilePath(ChromeContentClient::kPDFExtensionPluginPath),
plugin_info->plugin.path);
EXPECT_EQ(u"", plugin_info->plugin.version);
EXPECT_EQ(u"", plugin_info->plugin.desc);
EXPECT_EQ(WebPluginInfo::PLUGIN_TYPE_BROWSER_PLUGIN,
plugin_info->plugin.type);
// Background color hard-coded in `GetPdfBackgroundColor()`.
EXPECT_EQ(SkColorSetRGB(40, 40, 40), plugin_info->plugin.background_color);
// Has PDF MIME type.
ASSERT_THAT(plugin_info->plugin.mime_types, SizeIs(1));
WebPluginMimeType mime_type = plugin_info->plugin.mime_types[0];
EXPECT_EQ(pdf::kPDFMimeType, mime_type.mime_type);
EXPECT_THAT(mime_type.file_extensions, ElementsAre("pdf"));
EXPECT_EQ(u"", mime_type.description);
EXPECT_THAT(mime_type.additional_params, IsEmpty());
}
IN_PROC_BROWSER_TEST_P(PluginInfoHostImplBidiTest,
GetPluginInfoForPdfViewerExtensionWhenDisabled) {
SetAlwaysOpenPdfExternally();
PluginInfoPtr plugin_info =
GetPluginInfo(GURL("fake.pdf"), url::Origin(), pdf::kPDFMimeType);
ASSERT_TRUE(plugin_info);
// PDF viewer extension is disabled by PDF content setting.
EXPECT_EQ(PluginStatus::kDisabled, plugin_info->status);
EXPECT_EQ(pdf::kPDFMimeType, plugin_info->actual_mime_type);
}
IN_PROC_BROWSER_TEST_F(PluginInfoHostImplTest,
GetPluginInfoForPdfInternalPlugin) {
#if BUILDFLAG(GOOGLE_CHROME_BRANDING)
const std::u16string kPluginName = u"Chrome PDF Plugin";
const std::string kGroupId = "google-chrome-pdf-plugin";
#else
const std::u16string kPluginName = u"Chromium PDF Plugin";
const std::string kGroupId = "chromium-pdf-plugin";
#endif // BUILDFLAG(GOOGLE_CHROME_BRANDING)
PluginInfoPtr plugin_info = GetPluginInfo(GURL("fake.pdf"), url::Origin(),
pdf::kInternalPluginMimeType);
ASSERT_TRUE(plugin_info);
EXPECT_EQ(PluginStatus::kAllowed, plugin_info->status);
EXPECT_EQ(pdf::kInternalPluginMimeType, plugin_info->actual_mime_type);
// Group ID and name defined by `PluginInfoHostImpl`.
EXPECT_EQ(kGroupId, plugin_info->group_identifier);
EXPECT_EQ(kPluginName, plugin_info->group_name);
// `WebPluginInfo` fields.
EXPECT_EQ(kPluginName, plugin_info->plugin.name);
EXPECT_EQ(base::FilePath(ChromeContentClient::kPDFInternalPluginPath),
plugin_info->plugin.path);
EXPECT_EQ(u"", plugin_info->plugin.version);
EXPECT_EQ(u"Portable Document Format", plugin_info->plugin.desc);
EXPECT_EQ(WebPluginInfo::PLUGIN_TYPE_BROWSER_INTERNAL_PLUGIN,
plugin_info->plugin.type);
EXPECT_EQ(WebPluginInfo::kDefaultBackgroundColor,
plugin_info->plugin.background_color);
// Has PDF MIME type.
ASSERT_THAT(plugin_info->plugin.mime_types, SizeIs(1));
WebPluginMimeType mime_type = plugin_info->plugin.mime_types[0];
EXPECT_EQ(pdf::kInternalPluginMimeType, mime_type.mime_type);
EXPECT_THAT(mime_type.file_extensions, ElementsAre("pdf"));
EXPECT_EQ(u"Portable Document Format", mime_type.description);
EXPECT_THAT(mime_type.additional_params, IsEmpty());
}
IN_PROC_BROWSER_TEST_F(PluginInfoHostImplTest,
GetPluginInfoForPdfInternalPluginWhenDisabled) {
SetAlwaysOpenPdfExternally();
PluginInfoPtr plugin_info = GetPluginInfo(GURL("fake.pdf"), url::Origin(),
pdf::kInternalPluginMimeType);
ASSERT_TRUE(plugin_info);
// Internal PDF plugin is not affected by PDF content setting.
EXPECT_EQ(PluginStatus::kAllowed, plugin_info->status);
EXPECT_EQ(pdf::kInternalPluginMimeType, plugin_info->actual_mime_type);
}
INSTANTIATE_TEST_SUITE_P(All, PluginInfoHostImplBidiTest, testing::Bool());
#endif // BUILDFLAG(ENABLE_PDF)
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