// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "chrome/browser/password_manager/chrome_password_manager_client.h"

#include <stdint.h>

#include <string>
#include <utility>

#include "base/bind.h"
#include "base/command_line.h"
#include "base/macros.h"
#include "base/run_loop.h"
#include "base/strings/string16.h"
#include "base/strings/stringprintf.h"
#include "base/strings/utf_string_conversions.h"
#include "base/test/scoped_feature_list.h"
#include "build/build_config.h"
#include "chrome/browser/autofill/mock_address_accessory_controller.h"
#include "chrome/browser/autofill/mock_manual_filling_view.h"
#include "chrome/browser/autofill/mock_password_accessory_controller.h"
#include "chrome/browser/metrics/chrome_metrics_service_accessor.h"
#include "chrome/browser/password_manager/password_store_factory.h"
#include "chrome/browser/safe_browsing/test_safe_browsing_service.h"
#include "chrome/browser/safe_browsing/user_interaction_observer.h"
#include "chrome/browser/sync/profile_sync_service_factory.h"
#include "chrome/test/base/chrome_render_view_host_test_harness.h"
#include "chrome/test/base/testing_profile.h"
#include "components/autofill/content/common/mojom/autofill_agent.mojom.h"
#include "components/autofill/core/browser/logging/log_manager.h"
#include "components/autofill/core/browser/logging/log_receiver.h"
#include "components/autofill/core/browser/logging/log_router.h"
#include "components/autofill/core/browser/test_autofill_client.h"
#include "components/autofill/core/common/autofill_features.h"
#include "components/autofill/core/common/password_form.h"
#include "components/favicon/core/test/mock_favicon_service.h"
#include "components/password_manager/content/browser/content_password_manager_driver.h"
#include "components/password_manager/content/browser/password_manager_log_router_factory.h"
#include "components/password_manager/core/browser/credential_cache.h"
#include "components/password_manager/core/browser/credentials_filter.h"
#include "components/password_manager/core/browser/mock_password_store.h"
#include "components/password_manager/core/browser/password_manager.h"
#include "components/password_manager/core/browser/password_manager_test_utils.h"
#include "components/password_manager/core/browser/stub_password_manager_client.h"
#include "components/password_manager/core/common/credential_manager_types.h"
#include "components/password_manager/core/common/password_manager_features.h"
#include "components/password_manager/core/common/password_manager_pref_names.h"
#include "components/prefs/pref_registry_simple.h"
#include "components/prefs/pref_service.h"
#include "components/prefs/testing_pref_service.h"
#include "components/safe_browsing/buildflags.h"
#include "components/safe_browsing/core/features.h"
#include "components/sessions/content/content_record_password_state.h"
#include "components/sync/driver/test_sync_service.h"
#include "components/sync_preferences/testing_pref_service_syncable.h"
#include "content/public/browser/browser_context.h"
#include "content/public/browser/navigation_entry.h"
#include "content/public/browser/web_contents.h"
#include "content/public/browser/web_contents_observer.h"
#include "content/public/common/content_switches.h"
#include "content/public/common/url_constants.h"
#include "content/public/test/mock_navigation_handle.h"
#include "content/public/test/navigation_simulator.h"
#include "content/public/test/web_contents_tester.h"
#include "mojo/public/cpp/bindings/associated_receiver.h"
#include "mojo/public/cpp/bindings/pending_associated_receiver.h"
#include "mojo/public/cpp/bindings/pending_receiver.h"
#include "services/service_manager/public/cpp/interface_provider.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/blink/public/common/associated_interfaces/associated_interface_provider.h"
#include "url/url_constants.h"

#if BUILDFLAG(ENABLE_EXTENSIONS)
#include "extensions/common/constants.h"
#endif

#if BUILDFLAG(FULL_SAFE_BROWSING)
#include "components/safe_browsing/content/password_protection/mock_password_protection_service.h"
#endif

#if defined(OS_ANDROID)
#include "chrome/browser/autofill/manual_filling_controller_impl.h"
#include "chrome/browser/autofill/mock_address_accessory_controller.h"
#include "chrome/browser/autofill/mock_credit_card_accessory_controller.h"
#include "chrome/browser/autofill/mock_manual_filling_view.h"
#include "chrome/browser/password_manager/android/password_accessory_controller_impl.h"
#include "chrome/browser/password_manager/android/password_generation_controller.h"
#endif  // defined(OS_ANDROID)

using autofill::PasswordForm;
using autofill::mojom::FocusedFieldType;
using content::BrowserContext;
using content::WebContents;
using password_manager::PasswordManagerClient;
using sessions::GetPasswordStateFromNavigation;
using sessions::SerializedNavigationEntry;
using testing::_;
using testing::NiceMock;
using testing::Return;
using testing::StrictMock;

#if defined(OS_ANDROID)
using password_manager::CredentialCache;
#endif

namespace {
// TODO(crbug.com/474577): Get rid of the mocked client in the client's own
// test.
class MockChromePasswordManagerClient : public ChromePasswordManagerClient {
 public:
  MOCK_CONST_METHOD0(GetMainFrameCertStatus, net::CertStatus());

  explicit MockChromePasswordManagerClient(content::WebContents* web_contents)
      : ChromePasswordManagerClient(web_contents, nullptr) {
    ON_CALL(*this, GetMainFrameCertStatus()).WillByDefault(testing::Return(0));
#if BUILDFLAG(FULL_SAFE_BROWSING)
    password_protection_service_ =
        std::make_unique<safe_browsing::MockPasswordProtectionService>();
#endif
  }

#if BUILDFLAG(FULL_SAFE_BROWSING)
  safe_browsing::PasswordProtectionService* GetPasswordProtectionService()
      const override {
    return password_protection_service_.get();
  }

  safe_browsing::MockPasswordProtectionService* password_protection_service() {
    return password_protection_service_.get();
  }
#endif

 private:
#if BUILDFLAG(FULL_SAFE_BROWSING)
  std::unique_ptr<safe_browsing::MockPasswordProtectionService>
      password_protection_service_;
#endif
  DISALLOW_COPY_AND_ASSIGN(MockChromePasswordManagerClient);
};

class DummyLogReceiver : public autofill::LogReceiver {
 public:
  DummyLogReceiver() = default;

  void LogEntry(const base::Value& entry) override {}

 private:
  DISALLOW_COPY_AND_ASSIGN(DummyLogReceiver);
};

class FakePasswordAutofillAgent
    : public autofill::mojom::PasswordAutofillAgent {
 public:
  void BindReceiver(mojo::ScopedInterfaceEndpointHandle handle) {
    receiver_.Bind(
        mojo::PendingAssociatedReceiver<autofill::mojom::PasswordAutofillAgent>(
            std::move(handle)));
  }

  bool called_set_logging_state() { return called_set_logging_state_; }

  bool logging_state_active() { return logging_state_active_; }

  void reset_data() {
    called_set_logging_state_ = false;
    logging_state_active_ = false;
  }

 private:
  // autofill::mojom::PasswordAutofillAgent:
  void FillPasswordForm(
      const autofill::PasswordFormFillData& form_data) override {}

  void InformNoSavedCredentials(
      bool should_show_popup_without_passwords) override {}

  void FillIntoFocusedField(bool is_password,
                            const base::string16& credential) override {}
  void AnnotateFieldsWithParsingResult(
      const autofill::ParsingResult& parsing_result) override {}

  void SetLoggingState(bool active) override {
    called_set_logging_state_ = true;
    logging_state_active_ = active;
  }
  void TouchToFillClosed(bool show_virtual_keyboard) override {}

  // Records whether SetLoggingState() gets called.
  bool called_set_logging_state_ = false;
  // Records data received via SetLoggingState() call.
  bool logging_state_active_ = false;

  mojo::AssociatedReceiver<autofill::mojom::PasswordAutofillAgent> receiver_{
      this};
};

std::unique_ptr<KeyedService> CreateTestSyncService(
    content::BrowserContext* context) {
  return std::make_unique<syncer::TestSyncService>();
}

}  // namespace

class ChromePasswordManagerClientTest : public ChromeRenderViewHostTestHarness {
 public:
  void SetUp() override;
  void TearDown() override;

  sync_preferences::TestingPrefServiceSyncable* prefs() {
    return profile()->GetTestingPrefService();
  }

  // Caller does not own the returned pointer.
  syncer::TestSyncService* SetupBasicTestSync() {
    syncer::TestSyncService* sync_service =
        static_cast<syncer::TestSyncService*>(
            ProfileSyncServiceFactory::GetInstance()->SetTestingFactoryAndUse(
                profile(), base::BindRepeating(&CreateTestSyncService)));
    return sync_service;
  }

  // Make a navigation entry that will accept an annotation.
  void SetupNavigationForAnnotation() {
    syncer::TestSyncService* sync_service = SetupBasicTestSync();
    sync_service->SetIsUsingSecondaryPassphrase(false);
    metrics_enabled_ = true;
    NavigateAndCommit(GURL("about:blank"));
  }

 protected:
  ChromePasswordManagerClient* GetClient();

  // If autofill::mojom::PasswordAutofillAgent::SetLoggingState() got called,
  // copies its argument into |activation_flag| and returns true. Otherwise
  // returns false.
  bool WasLoggingActivationMessageSent(bool* activation_flag);

  FakePasswordAutofillAgent fake_agent_;

  TestingPrefServiceSimple prefs_;
  bool metrics_enabled_ = false;

  base::test::ScopedFeatureList scoped_feature_list_;
};

void ChromePasswordManagerClientTest::SetUp() {
  ChromeRenderViewHostTestHarness::SetUp();

  blink::AssociatedInterfaceProvider* remote_interfaces =
      web_contents()->GetMainFrame()->GetRemoteAssociatedInterfaces();
  remote_interfaces->OverrideBinderForTesting(
      autofill::mojom::PasswordAutofillAgent::Name_,
      base::BindRepeating(&FakePasswordAutofillAgent::BindReceiver,
                          base::Unretained(&fake_agent_)));

  prefs_.registry()->RegisterBooleanPref(
      password_manager::prefs::kCredentialsEnableService, true);
  ChromePasswordManagerClient::CreateForWebContentsWithAutofillClient(
      web_contents(), nullptr);

  // Connect our bool for testing.
  ChromeMetricsServiceAccessor::SetMetricsAndCrashReportingForTesting(
      &metrics_enabled_);

  scoped_feature_list_.InitAndEnableFeature(safe_browsing::kDelayedWarnings);
}

void ChromePasswordManagerClientTest::TearDown() {
  ChromeMetricsServiceAccessor::SetMetricsAndCrashReportingForTesting(nullptr);
  ChromeRenderViewHostTestHarness::TearDown();
}

ChromePasswordManagerClient* ChromePasswordManagerClientTest::GetClient() {
  return ChromePasswordManagerClient::FromWebContents(web_contents());
}

bool ChromePasswordManagerClientTest::WasLoggingActivationMessageSent(
    bool* activation_flag) {
  base::RunLoop().RunUntilIdle();
  if (!fake_agent_.called_set_logging_state())
    return false;

  if (activation_flag)
    *activation_flag = fake_agent_.logging_state_active();
  fake_agent_.reset_data();
  return true;
}

TEST_F(ChromePasswordManagerClientTest, LogEntryNotifyRenderer) {
  bool logging_active = true;
  // Ensure the existence of a driver, which will send the IPCs we listen for
  // below.
  NavigateAndCommit(GURL("about:blank"));

  // Initially, the logging should be off, so no IPC messages.
  EXPECT_TRUE(!WasLoggingActivationMessageSent(&logging_active) ||
              !logging_active)
      << "logging_active=" << logging_active;

  DummyLogReceiver log_receiver;
  autofill::LogRouter* log_router =
      password_manager::PasswordManagerLogRouterFactory::GetForBrowserContext(
          profile());
  EXPECT_EQ(std::vector<base::Value>(),
            log_router->RegisterReceiver(&log_receiver));
  EXPECT_TRUE(WasLoggingActivationMessageSent(&logging_active));
  EXPECT_TRUE(logging_active);

  log_router->UnregisterReceiver(&log_receiver);
  EXPECT_TRUE(WasLoggingActivationMessageSent(&logging_active));
  EXPECT_FALSE(logging_active);
}

TEST_F(ChromePasswordManagerClientTest, GetPasswordSyncState) {
  syncer::TestSyncService* sync_service = SetupBasicTestSync();

  sync_service->SetActiveDataTypes(syncer::ModelTypeSet(syncer::PASSWORDS));
  sync_service->SetIsUsingSecondaryPassphrase(false);

  ChromePasswordManagerClient* client = GetClient();

  // Passwords are syncing and custom passphrase isn't used.
  EXPECT_EQ(password_manager::SYNCING_NORMAL_ENCRYPTION,
            client->GetPasswordSyncState());

  // Again, using a custom passphrase.
  sync_service->SetIsUsingSecondaryPassphrase(true);

  EXPECT_EQ(password_manager::SYNCING_WITH_CUSTOM_PASSPHRASE,
            client->GetPasswordSyncState());

  // Report correctly if we aren't syncing passwords.
  sync_service->SetActiveDataTypes(syncer::ModelTypeSet(syncer::BOOKMARKS));

  EXPECT_EQ(password_manager::NOT_SYNCING, client->GetPasswordSyncState());

  // Again, without a custom passphrase.
  sync_service->SetIsUsingSecondaryPassphrase(false);

  EXPECT_EQ(password_manager::NOT_SYNCING, client->GetPasswordSyncState());
}

TEST_F(ChromePasswordManagerClientTest,
       SavingDependsOnManagerEnabledPreference) {
  // Test that saving passwords depends on the password manager enabled
  // preference.
  ChromePasswordManagerClient* client = GetClient();
  prefs()->SetUserPref(password_manager::prefs::kCredentialsEnableService,
                       std::make_unique<base::Value>(true));
  const GURL kUrlOn("https://accounts.google.com");
  EXPECT_TRUE(client->IsSavingAndFillingEnabled(kUrlOn));
  prefs()->SetUserPref(password_manager::prefs::kCredentialsEnableService,
                       std::make_unique<base::Value>(false));
  EXPECT_FALSE(client->IsSavingAndFillingEnabled(kUrlOn));
}

TEST_F(ChromePasswordManagerClientTest, SavingAndFillingEnabledConditionsTest) {
  std::unique_ptr<WebContents> test_web_contents(
      content::WebContentsTester::CreateTestWebContents(
          web_contents()->GetBrowserContext(), nullptr));
  std::unique_ptr<MockChromePasswordManagerClient> client(
      new MockChromePasswordManagerClient(test_web_contents.get()));
  // Functionality disabled if there is an SSL error.
  EXPECT_CALL(*client, GetMainFrameCertStatus())
      .WillRepeatedly(Return(net::CERT_STATUS_AUTHORITY_INVALID));
  const GURL kUrlOn("https://accounts.google.com");
  EXPECT_FALSE(client->IsSavingAndFillingEnabled(kUrlOn));
  EXPECT_FALSE(client->IsFillingEnabled(kUrlOn));
  EXPECT_FALSE(client->IsFillingFallbackEnabled(kUrlOn));

  // Functionality disabled if there are SSL errors and the manager itself is
  // disabled.
  prefs()->SetUserPref(password_manager::prefs::kCredentialsEnableService,
                       std::make_unique<base::Value>(false));
  EXPECT_FALSE(client->IsSavingAndFillingEnabled(kUrlOn));
  EXPECT_FALSE(client->IsFillingEnabled(kUrlOn));
  EXPECT_FALSE(client->IsFillingFallbackEnabled(kUrlOn));

  // Saving disabled if there are no SSL errors, but the manager itself is
  // disabled.
  EXPECT_CALL(*client, GetMainFrameCertStatus()).WillRepeatedly(Return(0));
  prefs()->SetUserPref(password_manager::prefs::kCredentialsEnableService,
                       std::make_unique<base::Value>(false));
  EXPECT_FALSE(client->IsSavingAndFillingEnabled(kUrlOn));
  EXPECT_TRUE(client->IsFillingEnabled(kUrlOn));
  EXPECT_TRUE(client->IsFillingFallbackEnabled(kUrlOn));

  // Functionality enabled if there are no SSL errors and the manager is
  // enabled.
  EXPECT_CALL(*client, GetMainFrameCertStatus()).WillRepeatedly(Return(0));
  prefs()->SetUserPref(password_manager::prefs::kCredentialsEnableService,
                       std::make_unique<base::Value>(true));
  EXPECT_TRUE(client->IsSavingAndFillingEnabled(kUrlOn));
  EXPECT_TRUE(client->IsFillingEnabled(kUrlOn));
  EXPECT_TRUE(client->IsFillingFallbackEnabled(kUrlOn));
}

TEST_F(ChromePasswordManagerClientTest,
       SavingAndFillingDisabledConditionsInIncognito) {
  std::unique_ptr<WebContents> incognito_web_contents(
      content::WebContentsTester::CreateTestWebContents(
          profile()->GetPrimaryOTRProfile(), nullptr));
  std::unique_ptr<MockChromePasswordManagerClient> client(
      new MockChromePasswordManagerClient(incognito_web_contents.get()));
  EXPECT_CALL(*client, GetMainFrameCertStatus()).WillRepeatedly(Return(0));

  // Saving disabled in Incognito mode.
  const GURL kUrlOn("https://accounts.google.com");
  EXPECT_FALSE(client->IsSavingAndFillingEnabled(kUrlOn));
  EXPECT_TRUE(client->IsFillingEnabled(kUrlOn));
  EXPECT_TRUE(client->IsFillingFallbackEnabled(kUrlOn));

  // Saving disabled in Incognito mode also when manager itself is
  // enabled.
  prefs()->SetUserPref(password_manager::prefs::kCredentialsEnableService,
                       std::make_unique<base::Value>(true));
  EXPECT_FALSE(client->IsSavingAndFillingEnabled(kUrlOn));
  EXPECT_TRUE(client->IsFillingEnabled(kUrlOn));
  EXPECT_TRUE(client->IsFillingFallbackEnabled(kUrlOn));

  // In guest mode saving is disabled, filling is enabled but there is in fact
  // nothing to fill, manual filling is disabled.
  profile()->SetGuestSession(true);
  profile()->GetPrimaryOTRProfile()->AsTestingProfile()->SetGuestSession(true);
  EXPECT_FALSE(client->IsSavingAndFillingEnabled(kUrlOn));
  EXPECT_TRUE(client->IsFillingEnabled(kUrlOn));
  EXPECT_FALSE(client->IsFillingFallbackEnabled(kUrlOn));
}

TEST_F(ChromePasswordManagerClientTest, SavingDependsOnAutomation) {
  // Test that saving passwords UI is disabled for automated tests.
  ChromePasswordManagerClient* client = GetClient();
  const GURL kUrlOn("https://accounts.google.com");
  EXPECT_TRUE(client->IsSavingAndFillingEnabled(kUrlOn));
  base::CommandLine::ForCurrentProcess()->AppendSwitch(
      switches::kEnableAutomation);
  EXPECT_FALSE(client->IsSavingAndFillingEnabled(kUrlOn));
}

// Check that password manager is disabled on about:blank pages.
// See https://crbug.com/756587.
TEST_F(ChromePasswordManagerClientTest, SavingAndFillingDisabledForAboutBlank) {
  const GURL kUrl(url::kAboutBlankURL);
  NavigateAndCommit(kUrl);
  EXPECT_TRUE(GetClient()->GetLastCommittedOrigin().opaque());
  EXPECT_FALSE(GetClient()->IsSavingAndFillingEnabled(kUrl));
  EXPECT_FALSE(GetClient()->IsFillingEnabled(kUrl));
  EXPECT_FALSE(GetClient()->IsFillingFallbackEnabled(kUrl));
}

TEST_F(ChromePasswordManagerClientTest,
       IsFillingAndSavingOnGooglePasswordPage) {
  PasswordManagerClient* client = GetClient();
  EXPECT_FALSE(client->IsSavingAndFillingEnabled(
      GURL("https://passwords.google.com/path?query=1")));
  EXPECT_FALSE(client->IsFillingEnabled(
      GURL("https://passwords.google.com/path?query=1")));
}

namespace {

struct SchemeTestCase {
  const char* scheme;
  bool password_manager_works;
};
const SchemeTestCase kTestCases[] = {
    {url::kHttpScheme, true},
    {url::kHttpsScheme, true},
    {url::kFtpScheme, true},
    {url::kDataScheme, true},
    {"feed", true},

    {"invalid-scheme-i-just-made-up", false},
    {content::kChromeDevToolsScheme, false},
    {content::kChromeUIScheme, false},
    {url::kMailToScheme, false},
};

// Parameterized test that takes a URL scheme as a parameter. Every scheme
// requires a separate test because NavigateAndCommit can be called only once.
class ChromePasswordManagerClientSchemeTest
    : public ChromePasswordManagerClientTest,
      public ::testing::WithParamInterface<const char*> {
 public:
  static std::vector<const char*> GetSchemes() {
    std::vector<const char*> result;
    for (const SchemeTestCase& test_case : kTestCases) {
      result.push_back(test_case.scheme);
    }
    return result;
  }
};

TEST_P(ChromePasswordManagerClientSchemeTest,
       SavingAndFillingOnDifferentSchemes) {
  const GURL url(base::StringPrintf("%s://example.org", GetParam()));
  VLOG(0) << url.possibly_invalid_spec();
  NavigateAndCommit(url);
  EXPECT_EQ(url::Origin::Create(url).GetURL(),
            GetClient()->GetLastCommittedOrigin().GetURL());

  auto* it = std::find_if(
      std::begin(kTestCases), std::end(kTestCases),
      [](auto test_case) { return strcmp(test_case.scheme, GetParam()) == 0; });
  ASSERT_FALSE(it == std::end(kTestCases));
  EXPECT_EQ(it->password_manager_works,
            GetClient()->IsSavingAndFillingEnabled(url));
  EXPECT_EQ(it->password_manager_works, GetClient()->IsFillingEnabled(url));
  EXPECT_EQ(it->password_manager_works,
            GetClient()->IsFillingFallbackEnabled(url));
}

INSTANTIATE_TEST_SUITE_P(
    All,
    ChromePasswordManagerClientSchemeTest,
    ::testing::ValuesIn(ChromePasswordManagerClientSchemeTest::GetSchemes()));

}  // namespace

TEST_F(ChromePasswordManagerClientTest, GetLastCommittedEntryURL_Empty) {
  EXPECT_TRUE(GetClient()->GetLastCommittedOrigin().opaque());
}

TEST_F(ChromePasswordManagerClientTest, GetLastCommittedEntryURL) {
  GURL kUrl(
      "https://accounts.google.com/ServiceLogin?continue="
      "https://passwords.google.com/settings");
  NavigateAndCommit(kUrl);
  EXPECT_EQ(url::Origin::Create(kUrl), GetClient()->GetLastCommittedOrigin());
}

TEST_F(ChromePasswordManagerClientTest, WebUINoLogging) {
  // Make sure that logging is active.
  autofill::LogRouter* log_router =
      password_manager::PasswordManagerLogRouterFactory::GetForBrowserContext(
          profile());
  DummyLogReceiver log_receiver;
  EXPECT_EQ(std::vector<base::Value>(),
            log_router->RegisterReceiver(&log_receiver));

  // But then navigate to a WebUI, there the logging should not be active.
  NavigateAndCommit(GURL("about:password-manager-internals"));
  EXPECT_FALSE(GetClient()->GetLogManager()->IsLoggingActive());

  log_router->UnregisterReceiver(&log_receiver);
}

// Metrics enabled, syncing with non-custom passphrase: Do not annotate.
TEST_F(ChromePasswordManagerClientTest,
       AnnotateNavigationEntryWithMetricsNoCustom) {
  syncer::TestSyncService* sync_service = SetupBasicTestSync();
  sync_service->SetIsUsingSecondaryPassphrase(false);
  metrics_enabled_ = true;

  NavigateAndCommit(GURL("about:blank"));
  GetClient()->AnnotateNavigationEntry(true);

  EXPECT_EQ(
      SerializedNavigationEntry::HAS_PASSWORD_FIELD,
      GetPasswordStateFromNavigation(controller().GetLastCommittedEntry()));
}

// Metrics disabled, syncing with non-custom passphrase: Do not annotate.
TEST_F(ChromePasswordManagerClientTest,
       AnnotateNavigationEntryNoMetricsNoCustom) {
  syncer::TestSyncService* sync_service = SetupBasicTestSync();
  sync_service->SetIsUsingSecondaryPassphrase(false);
  metrics_enabled_ = false;

  NavigateAndCommit(GURL("about:blank"));
  GetClient()->AnnotateNavigationEntry(true);

  EXPECT_EQ(
      SerializedNavigationEntry::PASSWORD_STATE_UNKNOWN,
      GetPasswordStateFromNavigation(controller().GetLastCommittedEntry()));
}

// Metrics enabled, syncing with custom passphrase: Do not annotate.
TEST_F(ChromePasswordManagerClientTest,
       AnnotateNavigationEntryWithMetricsWithCustom) {
  syncer::TestSyncService* sync_service = SetupBasicTestSync();
  sync_service->SetIsUsingSecondaryPassphrase(true);
  metrics_enabled_ = true;

  NavigateAndCommit(GURL("about:blank"));
  GetClient()->AnnotateNavigationEntry(true);

  EXPECT_EQ(
      SerializedNavigationEntry::PASSWORD_STATE_UNKNOWN,
      GetPasswordStateFromNavigation(controller().GetLastCommittedEntry()));
}

// Metrics disabled, syncing with custom passphrase: Do not annotate.
TEST_F(ChromePasswordManagerClientTest,
       AnnotateNavigationEntryNoMetricsWithCustom) {
  syncer::TestSyncService* sync_service = SetupBasicTestSync();
  sync_service->SetIsUsingSecondaryPassphrase(true);
  metrics_enabled_ = false;

  NavigateAndCommit(GURL("about:blank"));
  GetClient()->AnnotateNavigationEntry(true);

  EXPECT_EQ(
      SerializedNavigationEntry::PASSWORD_STATE_UNKNOWN,
      GetPasswordStateFromNavigation(controller().GetLastCommittedEntry()));
}

// State transition: Unannotated
TEST_F(ChromePasswordManagerClientTest, AnnotateNavigationEntryUnannotated) {
  SetupNavigationForAnnotation();

  EXPECT_EQ(
      SerializedNavigationEntry::PASSWORD_STATE_UNKNOWN,
      GetPasswordStateFromNavigation(controller().GetLastCommittedEntry()));
}

// State transition: unknown->false
TEST_F(ChromePasswordManagerClientTest, AnnotateNavigationEntryToFalse) {
  SetupNavigationForAnnotation();

  GetClient()->AnnotateNavigationEntry(false);
  EXPECT_EQ(
      SerializedNavigationEntry::NO_PASSWORD_FIELD,
      GetPasswordStateFromNavigation(controller().GetLastCommittedEntry()));
}

// State transition: false->true
TEST_F(ChromePasswordManagerClientTest, AnnotateNavigationEntryToTrue) {
  SetupNavigationForAnnotation();

  GetClient()->AnnotateNavigationEntry(false);
  GetClient()->AnnotateNavigationEntry(true);
  EXPECT_EQ(
      SerializedNavigationEntry::HAS_PASSWORD_FIELD,
      GetPasswordStateFromNavigation(controller().GetLastCommittedEntry()));
}

// State transition: true->false (retains true)
TEST_F(ChromePasswordManagerClientTest, AnnotateNavigationEntryTrueToFalse) {
  SetupNavigationForAnnotation();

  GetClient()->AnnotateNavigationEntry(true);
  GetClient()->AnnotateNavigationEntry(false);
  EXPECT_EQ(
      SerializedNavigationEntry::HAS_PASSWORD_FIELD,
      GetPasswordStateFromNavigation(controller().GetLastCommittedEntry()));
}

// Handle missing ChromePasswordManagerClient instance in BindCredentialManager
// gracefully.
TEST_F(ChromePasswordManagerClientTest, BindCredentialManager_MissingInstance) {
  // Create a WebContent without tab helpers.
  std::unique_ptr<content::WebContents> web_contents =
      content::WebContents::Create(
          content::WebContents::CreateParams(profile()));
  // In particular, this WebContent should not have the
  // ChromePasswordManagerClient.
  ASSERT_FALSE(
      ChromePasswordManagerClient::FromWebContents(web_contents.get()));

  // This call should not crash.
  ChromePasswordManagerClient::BindCredentialManager(
      web_contents->GetMainFrame(), mojo::NullReceiver());
}

TEST_F(ChromePasswordManagerClientTest, CanShowBubbleOnURL) {
  struct TestCase {
    const char* scheme;
    bool can_show_bubble;
  } kTestCases[] = {
      {url::kHttpScheme, true},
      {url::kHttpsScheme, true},
      {url::kFtpScheme, true},
      {url::kDataScheme, true},
      {"feed", true},
      {url::kBlobScheme, true},
      {url::kFileSystemScheme, true},

      {"invalid-scheme-i-just-made-up", false},
#if BUILDFLAG(ENABLE_EXTENSIONS)
      {extensions::kExtensionScheme, false},
#endif
      {url::kAboutScheme, false},
      {content::kChromeDevToolsScheme, false},
      {content::kChromeUIScheme, false},
      {url::kJavaScriptScheme, false},
      {url::kMailToScheme, false},
      {content::kViewSourceScheme, false},
  };

  for (const TestCase& test_case : kTestCases) {
    // CanShowBubbleOnURL currently only depends on the scheme.
    GURL url(base::StringPrintf("%s://example.org", test_case.scheme));
    SCOPED_TRACE(url.possibly_invalid_spec());
    EXPECT_EQ(test_case.can_show_bubble,
              ChromePasswordManagerClient::CanShowBubbleOnURL(url));
  }
}

#if BUILDFLAG(FULL_SAFE_BROWSING)
TEST_F(ChromePasswordManagerClientTest,
       VerifyMaybeStartPasswordFieldOnFocusRequestCalled) {
  std::unique_ptr<WebContents> test_web_contents(
      content::WebContentsTester::CreateTestWebContents(
          web_contents()->GetBrowserContext(), nullptr));
  std::unique_ptr<MockChromePasswordManagerClient> client(
      new MockChromePasswordManagerClient(test_web_contents.get()));
  EXPECT_CALL(*client->password_protection_service(),
              MaybeStartPasswordFieldOnFocusRequest(_, _, _, _, _))
      .Times(1);
  PasswordManagerClient* mojom_client = client.get();
  mojom_client->CheckSafeBrowsingReputation(GURL("http://foo.com/submit"),
                                            GURL("http://foo.com/iframe.html"));
}

// SafeBrowsing Delayed Warnings experiment can delay certain SafeBrowsing
// warnings until user interaction. This test checks that when a SafeBrowsing
// warning is delayed, password saving and filling is disabled on the page.
TEST_F(ChromePasswordManagerClientTest,
       SavingAndFillingDisabledConditionsDelayedWarnings) {
  std::unique_ptr<WebContents> test_web_contents(
      content::WebContentsTester::CreateTestWebContents(
          web_contents()->GetBrowserContext(), nullptr));

  // Warnings are delayed until the user interacts with the page. This is
  // achieved by attaching an observer (SafeBrowsingUserInteractionObserver) to
  // the current WebContents. Create an observer and attach it to simulate a
  // delayed warning.
  auto safe_browsing_service =
      base::MakeRefCounted<safe_browsing::TestSafeBrowsingService>();
  auto ui_manager =
      base::MakeRefCounted<safe_browsing::TestSafeBrowsingUIManager>(
          safe_browsing_service);
  security_interstitials::UnsafeResource resource;
  safe_browsing::SafeBrowsingUserInteractionObserver::CreateForWebContents(
      test_web_contents.get(), resource, /* is_main_frame= */ true, ui_manager);

  auto client = std::make_unique<MockChromePasswordManagerClient>(
      test_web_contents.get());
  // Saving is disabled when the page has a delayed SafeBrowsing warning.
  const GURL kUrlOn("https://accounts.google.com");
  EXPECT_FALSE(client->IsSavingAndFillingEnabled(kUrlOn));
  EXPECT_FALSE(client->IsFillingEnabled(kUrlOn));
  EXPECT_FALSE(client->IsFillingFallbackEnabled(kUrlOn));
}

TEST_F(ChromePasswordManagerClientTest,
       VerifyMaybeProtectedPasswordEntryRequestCalled) {
  std::unique_ptr<WebContents> test_web_contents(
      content::WebContentsTester::CreateTestWebContents(
          web_contents()->GetBrowserContext(), nullptr));
  std::unique_ptr<MockChromePasswordManagerClient> client(
      new MockChromePasswordManagerClient(test_web_contents.get()));

  EXPECT_CALL(
      *client->password_protection_service(),
      MaybeStartProtectedPasswordEntryRequest(_, _, "username", _, _, true))
      .Times(4);
  std::vector<password_manager::MatchingReusedCredential> credentials = {
      {"saved_domain.com", base::ASCIIToUTF16("username")}};

  client->CheckProtectedPasswordEntry(
      password_manager::metrics_util::PasswordType::SAVED_PASSWORD, "username",
      credentials, true);
  client->CheckProtectedPasswordEntry(
      password_manager::metrics_util::PasswordType::PRIMARY_ACCOUNT_PASSWORD,
      "username", credentials, true);
  client->CheckProtectedPasswordEntry(
      password_manager::metrics_util::PasswordType::OTHER_GAIA_PASSWORD,
      "username", credentials, true);
  client->CheckProtectedPasswordEntry(
      password_manager::metrics_util::PasswordType::ENTERPRISE_PASSWORD,
      "username", credentials, true);
}

TEST_F(ChromePasswordManagerClientTest, VerifyLogPasswordReuseDetectedEvent) {
  std::unique_ptr<WebContents> test_web_contents(
      content::WebContentsTester::CreateTestWebContents(
          web_contents()->GetBrowserContext(), nullptr));
  std::unique_ptr<MockChromePasswordManagerClient> client(
      new MockChromePasswordManagerClient(test_web_contents.get()));
  EXPECT_CALL(*client->password_protection_service(),
              MaybeLogPasswordReuseDetectedEvent(test_web_contents.get()))
      .Times(1);
  client->LogPasswordReuseDetectedEvent();
}
#endif

TEST_F(ChromePasswordManagerClientTest, MissingUIDelegate) {
  // Checks that the saving fallback methods don't crash if there is no UI
  // delegate. It can happen on ChromeOS login form, for example.
  GURL kUrl("https://example.com/");
  NavigateAndCommit(kUrl);
  PasswordManagerClient* client = GetClient();
  client->ShowManualFallbackForSaving(nullptr, false, false);
  client->HideManualFallbackForSaving();
}

#if defined(OS_ANDROID)
class ChromePasswordManagerClientAndroidTest
    : public ChromePasswordManagerClientTest {
 protected:
  std::unique_ptr<password_manager::ContentPasswordManagerDriver>
  CreateContentPasswordManagerDriver(content::RenderFrameHost* rfh);

  void CreateManualFillingController(content::WebContents* web_contents);

  ManualFillingControllerImpl* controller() {
    return ManualFillingControllerImpl::FromWebContents(web_contents());
  }

  MockManualFillingView* view() {
    return static_cast<MockManualFillingView*>(controller()->view());
  }

 private:
  autofill::TestAutofillClient test_autofill_client_;
  NiceMock<MockPasswordAccessoryController> mock_pwd_controller_;
  NiceMock<MockAddressAccessoryController> mock_address_controller_;
  NiceMock<MockCreditCardAccessoryController> mock_cc_controller_;
};

std::unique_ptr<password_manager::ContentPasswordManagerDriver>
ChromePasswordManagerClientAndroidTest::CreateContentPasswordManagerDriver(
    content::RenderFrameHost* rfh) {
  return std::make_unique<password_manager::ContentPasswordManagerDriver>(
      rfh, GetClient(), &test_autofill_client_);
}

void ChromePasswordManagerClientAndroidTest::CreateManualFillingController(
    content::WebContents* web_contents) {
  ManualFillingControllerImpl::CreateForWebContentsForTesting(
      web_contents, mock_pwd_controller_.AsWeakPtr(),
      mock_address_controller_.AsWeakPtr(), mock_cc_controller_.AsWeakPtr(),
      std::make_unique<NiceMock<MockManualFillingView>>());
}

TEST_F(ChromePasswordManagerClientAndroidTest,
       FocusedInputChangedNoFrameFillableField) {
  CreateManualFillingController(web_contents());
  ASSERT_FALSE(web_contents()->GetFocusedFrame());

  ChromePasswordManagerClient* client = GetClient();

  std::unique_ptr<password_manager::ContentPasswordManagerDriver> driver =
      CreateContentPasswordManagerDriver(main_rfh());
  client->FocusedInputChanged(driver.get(),
                              FocusedFieldType::kFillablePasswordField);

  PasswordGenerationController* pwd_generation_controller =
      PasswordGenerationController::GetIfExisting(web_contents());
  EXPECT_FALSE(pwd_generation_controller);
}

TEST_F(ChromePasswordManagerClientAndroidTest,
       FocusedInputChangedNoFrameNoField) {
  CreateManualFillingController(web_contents());
  std::unique_ptr<password_manager::ContentPasswordManagerDriver> driver =
      CreateContentPasswordManagerDriver(main_rfh());

  // Simulate that an element was focused before as far as the generation
  // controller is concerned.
  PasswordGenerationController* pwd_generation_controller =
      PasswordGenerationController::GetOrCreate(web_contents());
  pwd_generation_controller->FocusedInputChanged(
      FocusedFieldType::kFillablePasswordField, driver.get()->AsWeakPtr());

  ChromePasswordManagerClient* client = GetClient();

  ASSERT_FALSE(web_contents()->GetFocusedFrame());
  ASSERT_TRUE(pwd_generation_controller->GetActiveFrameDriver());
  client->FocusedInputChanged(driver.get(), FocusedFieldType::kUnknown);

  // Check that the event was processed by the generation controller and that
  // the active frame driver was unset.
  EXPECT_FALSE(pwd_generation_controller->GetActiveFrameDriver());
}

TEST_F(ChromePasswordManagerClientAndroidTest, FocusedInputChangedWrongFrame) {
  ChromePasswordManagerClient* client = GetClient();

  // Set up the main frame.
  NavigateAndCommit(GURL("https://example.com"));
  FocusWebContentsOnMainFrame();
  CreateManualFillingController(web_contents());

  content::RenderFrameHost* subframe =
      content::RenderFrameHostTester::For(main_rfh())->AppendChild("subframe");
  std::unique_ptr<password_manager::ContentPasswordManagerDriver> driver =
      CreateContentPasswordManagerDriver(subframe);
  client->FocusedInputChanged(driver.get(),
                              FocusedFieldType::kFillablePasswordField);

  PasswordGenerationController* pwd_generation_controller =
      PasswordGenerationController::GetIfExisting(web_contents());

  // Check that no generation controller was created, since this event should be
  // rejected and not passed on to a generation controller.
  EXPECT_FALSE(pwd_generation_controller);
}

TEST_F(ChromePasswordManagerClientAndroidTest, FocusedInputChangedGoodFrame) {
  ChromePasswordManagerClient* client = GetClient();
  CreateManualFillingController(web_contents());

  std::unique_ptr<password_manager::ContentPasswordManagerDriver> driver =
      CreateContentPasswordManagerDriver(main_rfh());
  FocusWebContentsOnMainFrame();
  client->FocusedInputChanged(driver.get(),
                              FocusedFieldType::kFillablePasswordField);

  PasswordGenerationController* pwd_generation_controller =
      PasswordGenerationController::GetIfExisting(web_contents());
  EXPECT_TRUE(pwd_generation_controller);
}

TEST_F(ChromePasswordManagerClientAndroidTest,
       SameDocumentNavigationDoesNotClearCache) {
  auto origin = url::Origin::Create(GURL("https://example.com"));
  PasswordForm form;
  form.url = origin.GetURL();
  form.username_value = base::ASCIIToUTF16("alice");
  form.password_value = base::ASCIIToUTF16("S3cr3t");
  GetClient()
      ->GetCredentialCacheForTesting()
      ->SaveCredentialsAndBlacklistedForOrigin(
          {&form}, CredentialCache::IsOriginBlacklisted(false), origin);

  // Check that a navigation within the same document does not clear the cache.
  content::MockNavigationHandle handle(web_contents());
  handle.set_is_same_document(true);
  handle.set_has_committed(true);
  static_cast<content::WebContentsObserver*>(GetClient())
      ->DidFinishNavigation(&handle);

  EXPECT_FALSE(GetClient()
                   ->GetCredentialCacheForTesting()
                   ->GetCredentialStore(origin)
                   .GetCredentials()
                   .empty());

  // Check that a navigation to a different origin clears the cache.
  NavigateAndCommit(GURL("https://example.org"));
  EXPECT_TRUE(GetClient()
                  ->GetCredentialCacheForTesting()
                  ->GetCredentialStore(origin)
                  .GetCredentials()
                  .empty());
}

TEST_F(ChromePasswordManagerClientAndroidTest, HideFillingUIOnNavigatingAway) {
  CreateManualFillingController(web_contents());
  // Navigate to a URL with a bubble/popup.
  GURL kUrl1("https://example.com/");
  NavigateAndCommit(kUrl1);
  EXPECT_TRUE(ChromePasswordManagerClient::CanShowBubbleOnURL(kUrl1));

  // Navigating away should call Hide.
  EXPECT_CALL(*view(), Hide());
  GURL kUrl2("https://accounts.google.com");
  NavigateAndCommit(kUrl2);
}
#endif  //  defined(OS_ANDROID)