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// Copyright 2012 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/browser_about_handler.h"
#include <stddef.h>
#include <memory>
#include <utility>
#include <vector>
#include "base/test/bind.h"
#include "base/values.h"
#include "chrome/browser/lifetime/browser_shutdown.h"
#include "chrome/common/pref_names.h"
#include "chrome/common/url_constants.h"
#include "chrome/common/webui_url_constants.h"
#include "chrome/test/base/scoped_testing_local_state.h"
#include "chrome/test/base/testing_browser_process.h"
#include "chrome/test/base/testing_profile.h"
#include "components/policy/content/policy_blocklist_service.h"
#include "components/policy/core/common/policy_pref_names.h"
#include "components/prefs/pref_service.h"
#include "components/prefs/testing_pref_service.h"
#include "content/public/browser/navigation_controller.h"
#include "content/public/browser/navigation_entry.h"
#include "content/public/common/referrer.h"
#include "content/public/test/browser_task_environment.h"
#include "services/network/public/cpp/shared_url_loader_factory.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "url/gurl.h"
#if BUILDFLAG(IS_CHROMEOS)
#include "chrome/browser/lifetime/application_lifetime_chromeos.h"
#endif // BUILDFLAG(IS_CHROMEOS)
namespace {
using content::BrowserThread;
using content::NavigationController;
using content::NavigationEntry;
using content::Referrer;
struct AboutURLTestCase {
GURL test_url;
GURL expected_url;
};
} // namespace
class BrowserAboutHandlerTest : public testing::Test {
protected:
void TestHandleChromeAboutAndChromeSyncRewrite(
const std::vector<AboutURLTestCase>& test_cases) {
for (const auto& test_case : test_cases) {
GURL url(test_case.test_url);
HandleChromeAboutAndChromeSyncRewrite(&url, profile());
EXPECT_EQ(test_case.expected_url, url);
}
}
void SetUp() override {
profile_ = TestingProfile::Builder().Build();
PolicyBlocklistFactory::GetInstance()->SetTestingFactory(
profile_.get(),
base::BindLambdaForTesting([&](content::BrowserContext* context) {
return std::unique_ptr<KeyedService>(
std::make_unique<PolicyBlocklistService>(
std::make_unique<policy::URLBlocklistManager>(
profile_->GetPrefs(), policy::policy_prefs::kUrlBlocklist,
policy::policy_prefs::kUrlAllowlist),
profile_->GetPrefs()));
}));
}
TestingProfile* profile() { return profile_.get(); }
content::BrowserTaskEnvironment* task_environment() {
return &task_environment_;
}
TestingPrefServiceSimple* local_state() { return local_state_.Get(); }
// Reverts the effects of a browser quit or restart attempt,
// specifically for testing environments to prevent test failures.
void ResetBrowserExitState() {
browser_shutdown::SetTryingToQuit(false);
#if BUILDFLAG(IS_CHROMEOS)
chrome::SetSendStopRequestToSessionManager(false);
#endif // BUILDFLAG(IS_CHROMEOS)
}
void SetBlockList(base::Value::List blocklist) {
profile_->GetPrefs()->SetList(policy::policy_prefs::kUrlBlocklist,
std::move(blocklist));
task_environment_.RunUntilIdle();
}
private:
content::BrowserTaskEnvironment task_environment_;
ScopedTestingLocalState local_state_{TestingBrowserProcess::GetGlobal()};
std::unique_ptr<TestingProfile> profile_;
};
TEST_F(BrowserAboutHandlerTest, HandleChromeAboutAndChromeSyncRewrite) {
std::string chrome_prefix(content::kChromeUIScheme);
chrome_prefix.append(url::kStandardSchemeSeparator);
std::vector<AboutURLTestCase> test_cases(
{{GURL("http://google.com"), GURL("http://google.com")},
{GURL(url::kAboutBlankURL), GURL(url::kAboutBlankURL)},
{GURL(chrome_prefix + chrome::kChromeUIDefaultHost),
GURL(chrome_prefix + chrome::kChromeUIVersionHost)},
{GURL(chrome_prefix + chrome::kChromeUIAboutHost),
GURL(chrome_prefix + chrome::kChromeUIChromeURLsHost)},
{GURL(chrome_prefix + chrome::kChromeUISignInInternalsHost),
GURL(chrome_prefix + chrome::kChromeUISignInInternalsHost)},
{
GURL(chrome_prefix + "host/path?query#ref"),
GURL(chrome_prefix + "host/path?query#ref"),
}});
TestHandleChromeAboutAndChromeSyncRewrite(test_cases);
}
TEST_F(BrowserAboutHandlerTest,
HandleChromeAboutAndChromeSyncRewriteForMDSettings) {
std::string chrome_prefix(content::kChromeUIScheme);
chrome_prefix.append(url::kStandardSchemeSeparator);
std::vector<AboutURLTestCase> test_cases(
{{GURL(chrome_prefix + chrome::kChromeUISettingsHost),
GURL(chrome_prefix + chrome::kChromeUISettingsHost)}});
TestHandleChromeAboutAndChromeSyncRewrite(test_cases);
}
TEST_F(BrowserAboutHandlerTest,
HandleChromeAboutAndChromeSyncRewriteForHistory) {
GURL::Replacements replace_foo_query;
replace_foo_query.SetQueryStr("foo");
GURL history_foo_url(
GURL(chrome::kChromeUIHistoryURL).ReplaceComponents(replace_foo_query));
TestHandleChromeAboutAndChromeSyncRewrite(std::vector<AboutURLTestCase>({
{GURL("chrome:history"), GURL(chrome::kChromeUIHistoryURL)},
{GURL(chrome::kChromeUIHistoryURL), GURL(chrome::kChromeUIHistoryURL)},
{history_foo_url, history_foo_url},
}));
}
// Ensure that minor BrowserAboutHandler fixup to a URL does not cause us to
// keep a separate virtual URL, which would not be updated on redirects.
// See https://crbug.com/449829.
TEST_F(BrowserAboutHandlerTest, NoVirtualURLForFixup) {
GURL url("view-source:http://.foo");
// No "fixing" of the URL is expected at the content::NavigationEntry layer.
// We should only "fix" strings from the user (e.g. URLs from the Omnibox).
//
// Rewriters will remove the view-source prefix and expect it to stay in the
// virtual URL.
GURL expected_virtual_url = url;
GURL expected_url("http://.foo/");
std::unique_ptr<NavigationEntry> entry(
NavigationController::CreateNavigationEntry(
url, Referrer(), /* initiator_origin= */ std::nullopt,
/* initiator_base_url= */ std::nullopt, ui::PAGE_TRANSITION_RELOAD,
false, std::string(), profile(),
nullptr /* blob_url_loader_factory */));
EXPECT_EQ(expected_virtual_url, entry->GetVirtualURL());
EXPECT_EQ(expected_url, entry->GetURL());
}
TEST_F(BrowserAboutHandlerTest, HandleNonNavigationAboutURL_Invalid) {
GURL invalid_url("https:");
ASSERT_FALSE(invalid_url.is_valid());
EXPECT_FALSE(HandleNonNavigationAboutURL(invalid_url, profile()));
}
TEST_F(BrowserAboutHandlerTest,
HandleNonNavigationAboutURL_QuitDebugUrlIsBlocked) {
GURL url(chrome::kChromeUIQuitURL);
SetBlockList(base::Value::List().Append(chrome::kChromeUIQuitURL));
// Blocked URL should be handled and should not attempt to quit.
EXPECT_TRUE(HandleNonNavigationAboutURL(url, profile()));
task_environment()->RunUntilIdle();
#if !BUILDFLAG(IS_CHROMEOS)
EXPECT_FALSE(browser_shutdown::IsTryingToQuit());
#else
EXPECT_FALSE(chrome::IsSendingStopRequestToSessionManager());
#endif // !BUILDFLAG(IS_CHROMEOS)
}
TEST_F(BrowserAboutHandlerTest,
HandleNonNavigationAboutURL_QuitDebugUrlIsNotBlocked) {
GURL url(chrome::kChromeUIQuitURL);
SetBlockList(base::Value::List());
// URL is not blocked, expect a quit attempt.
EXPECT_TRUE(HandleNonNavigationAboutURL(url, profile()));
task_environment()->RunUntilIdle();
#if !BUILDFLAG(IS_CHROMEOS)
EXPECT_TRUE(browser_shutdown::IsTryingToQuit());
#else
EXPECT_TRUE(chrome::IsSendingStopRequestToSessionManager());
#endif // !BUILDFLAG(IS_CHROMEOS)
ResetBrowserExitState();
}
TEST_F(BrowserAboutHandlerTest,
HandleNonNavigationAboutURL_RestartDebugUrlIsBlocked) {
GURL url(chrome::kChromeUIRestartURL);
SetBlockList(base::Value::List().Append(chrome::kChromeUIRestartURL));
#if !BUILDFLAG(IS_ANDROID)
EXPECT_FALSE(local_state()->GetBoolean(prefs::kWasRestarted));
#endif // !BUILDFLAG(IS_ANDROID)
// Blocked URL should be handled and should not attempt to restart.
EXPECT_TRUE(HandleNonNavigationAboutURL(url, profile()));
task_environment()->RunUntilIdle();
EXPECT_FALSE(browser_shutdown::IsTryingToQuit());
#if !BUILDFLAG(IS_ANDROID)
EXPECT_FALSE(local_state()->GetBoolean(prefs::kWasRestarted));
#endif // !BUILDFLAG(IS_ANDROID)
}
TEST_F(BrowserAboutHandlerTest,
HandleNonNavigationAboutURL_RestartDebugUrlIsNotBlocked) {
GURL url(chrome::kChromeUIRestartURL);
SetBlockList(base::Value::List());
#if !BUILDFLAG(IS_ANDROID)
EXPECT_FALSE(local_state()->GetBoolean(prefs::kWasRestarted));
#endif // !BUILDFLAG(IS_ANDROID)
// URL is not blocked, expect a restart attempt.
EXPECT_TRUE(HandleNonNavigationAboutURL(url, profile()));
task_environment()->RunUntilIdle();
EXPECT_TRUE(browser_shutdown::IsTryingToQuit());
#if !BUILDFLAG(IS_ANDROID)
EXPECT_TRUE(local_state()->GetBoolean(prefs::kWasRestarted));
#endif // !BUILDFLAG(IS_ANDROID)
ResetBrowserExitState();
}
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