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// Copyright 2020 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/ui/ash/in_session_auth_dialog_client.h"
#include "ash/constants/ash_features.h"
#include "ash/public/cpp/in_session_auth_dialog_client.h"
#include "ash/public/cpp/webauthn_dialog_controller.h"
#include "base/functional/callback.h"
#include "base/memory/raw_ptr.h"
#include "base/run_loop.h"
#include "base/strings/utf_string_conversions.h"
#include "base/test/bind.h"
#include "chrome/browser/ash/login/users/fake_chrome_user_manager.h"
#include "chrome/browser/ash/profiles/profile_helper.h"
#include "chromeos/ash/components/cryptohome/system_salt_getter.h"
#include "chromeos/ash/components/dbus/userdataauth/fake_cryptohome_misc_client.h"
#include "chromeos/ash/components/dbus/userdataauth/fake_userdataauth_client.h"
#include "chromeos/ash/components/dbus/userdataauth/userdataauth_client.h"
#include "chromeos/ash/components/login/auth/fake_extended_authenticator.h"
#include "chromeos/ash/components/login/auth/public/cryptohome_key_constants.h"
#include "components/account_id/account_id.h"
#include "components/user_manager/scoped_user_manager.h"
#include "content/public/test/browser_task_environment.h"
#include "testing/gtest/include/gtest/gtest.h"
using ::ash::FakeExtendedAuthenticator;
using ::ash::Key;
using ::ash::UserContext;
namespace {
const char kPassword[] = "password";
const char kWrongPassword[] = "wrong_password";
const AccountId kAccountId = AccountId::FromUserEmail("testemail@example.com");
// InSessionAuthDialogClient's constructor expects to find an instance of
// ash::InSessionAuthDialogController, so provide a fake that does nothing.
class FakeInSessionAuthDialogController : public ash::WebAuthNDialogController {
public:
FakeInSessionAuthDialogController() = default;
~FakeInSessionAuthDialogController() override = default;
// ash::InSessionAuthDialogController:
void SetClient(ash::InSessionAuthDialogClient* client) override {}
void ShowAuthenticationDialog(aura::Window* source_window,
const std::string& origin_name,
FinishCallback callback) override {}
void DestroyAuthenticationDialog() override {}
void AuthenticateUserWithPasswordOrPin(
const std::string& password,
bool authenticated_by_pin,
OnAuthenticateCallback callback) override {}
void AuthenticateUserWithFingerprint(
base::OnceCallback<void(bool, ash::FingerprintState)> callback) override {
}
void OpenInSessionAuthHelpPage() override {}
void Cancel() override {}
void CheckAvailability(
FinishCallback on_availability_checked) const override {}
};
class InSessionAuthDialogClientTest : public testing::Test {
public:
InSessionAuthDialogClientTest() {
ash::UserDataAuthClient::InitializeFake();
ash::FakeUserDataAuthClient::TestApi::Get()->set_enable_auth_check(true);
ash::CryptohomeMiscClient::InitializeFake();
ash::SystemSaltGetter::Initialize();
client_ = std::make_unique<InSessionAuthDialogClient>();
}
~InSessionAuthDialogClientTest() override {
ash::SystemSaltGetter::Shutdown();
ash::CryptohomeMiscClient::Shutdown();
ash::UserDataAuthClient::Shutdown();
}
void SetupActiveUser() {
fake_user_manager_->AddUser(kAccountId);
fake_user_manager_->LoginUser(kAccountId);
auto* user = user_manager::UserManager::Get()->GetActiveUser();
ASSERT_TRUE(user);
// Set the profile mapping to avoid crashing in |OnPasswordAuthSuccess|.
ash::ProfileHelper::Get()->SetUserToProfileMappingForTesting(user, nullptr);
}
void SetExpectedContext(const UserContext& expected_user_context) {
fake_authenticator_ = base::MakeRefCounted<FakeExtendedAuthenticator>(
client_.get(), expected_user_context);
client_->SetExtendedAuthenticator(fake_authenticator_);
}
void AuthenticateUserWithPasswordOrPin(
const std::string& password,
bool authenticated_by_pin,
base::OnceCallback<void(bool)> callback) {
client_->AuthenticateUserWithPasswordOrPin(password, authenticated_by_pin,
std::move(callback));
}
void ConfigureExistingUserWithPassword(const AccountId& user,
const std::string& password) {
Key key(Key::KEY_TYPE_PASSWORD_PLAIN, std::string(), password);
key.Transform(Key::KEY_TYPE_SALTED_SHA256_TOP_HALF,
ash::SystemSaltGetter::ConvertRawSaltToHexString(
ash::FakeCryptohomeMiscClient::GetStubSystemSalt()));
cryptohome::Key cryptohome_key;
cryptohome_key.mutable_data()->set_label(ash::kCryptohomeGaiaKeyLabel);
cryptohome_key.set_secret(key.GetSecret());
auto* test_api = ash::FakeUserDataAuthClient::TestApi::Get();
auto account_id = cryptohome::CreateAccountIdentifierFromAccountId(user);
test_api->AddExistingUser(account_id);
test_api->AddKey(account_id, cryptohome_key);
}
void StartAuthSessionForActiveUser() {
base::RunLoop run_loop;
bool result = true;
client_->StartAuthSession(base::BindLambdaForTesting(
[&result](bool success) { result = success; }));
run_loop.RunUntilIdle();
EXPECT_TRUE(result);
}
protected:
// The ExtendedAuthenticator::AuthenticateToCheck task is posted to main (UI)
// thread.
const content::BrowserTaskEnvironment task_environment_;
raw_ptr<ash::FakeChromeUserManager, DanglingUntriaged | ExperimentalAsh>
fake_user_manager_{new ash::FakeChromeUserManager()};
user_manager::ScopedUserManager scoped_user_manager_{
base::WrapUnique(fake_user_manager_.get())};
std::unique_ptr<FakeInSessionAuthDialogController> fake_controller_{
std::make_unique<FakeInSessionAuthDialogController>()};
std::unique_ptr<InSessionAuthDialogClient> client_;
scoped_refptr<ash::FakeExtendedAuthenticator> fake_authenticator_;
};
TEST_F(InSessionAuthDialogClientTest, WrongPassword) {
SetupActiveUser();
const user_manager::User* const user =
user_manager::UserManager::Get()->GetActiveUser();
UserContext expected_user_context(*user);
Key key(Key::KEY_TYPE_PASSWORD_PLAIN, std::string(), kPassword);
expected_user_context.SetKey(key);
SetExpectedContext(expected_user_context);
ConfigureExistingUserWithPassword(user->GetAccountId(), kPassword);
StartAuthSessionForActiveUser();
base::RunLoop run_loop;
bool result = true;
AuthenticateUserWithPasswordOrPin(
kWrongPassword,
/* authenticated_by_pin = */ false,
base::BindLambdaForTesting(
[&result](bool success) { result = success; }));
run_loop.RunUntilIdle();
EXPECT_FALSE(result);
}
TEST_F(InSessionAuthDialogClientTest, PasswordAuthSuccess) {
SetupActiveUser();
const user_manager::User* const user =
user_manager::UserManager::Get()->GetActiveUser();
UserContext expected_user_context(*user);
expected_user_context.SetKey(
Key(Key::KEY_TYPE_PASSWORD_PLAIN, std::string(), kPassword));
SetExpectedContext(expected_user_context);
ConfigureExistingUserWithPassword(user->GetAccountId(), kPassword);
StartAuthSessionForActiveUser();
base::RunLoop run_loop;
bool result = false;
AuthenticateUserWithPasswordOrPin(
kPassword,
/* authenticated_by_pin = */ false,
base::BindLambdaForTesting(
[&result](bool success) { result = success; }));
run_loop.RunUntilIdle();
EXPECT_TRUE(result);
}
} // namespace
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