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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/ash/smb_client/smb_kerberos_credentials_updater.h"
#include <memory>
#include "base/run_loop.h"
#include "base/test/bind.h"
#include "base/test/gmock_callback_support.h"
#include "base/test/mock_callback.h"
#include "base/values.h"
#include "chrome/browser/ash/kerberos/kerberos_credentials_manager.h"
#include "chrome/browser/ash/login/users/fake_chrome_user_manager.h"
#include "chrome/common/pref_names.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 "chromeos/ash/components/dbus/kerberos/kerberos_client.h"
#include "components/user_manager/scoped_user_manager.h"
#include "components/user_manager/user_manager.h"
#include "content/public/test/browser_task_environment.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
using ::base::test::RunClosure;
namespace ash::smb_client {
namespace {
constexpr char kProfileEmail[] = "gaia_user@example.com";
constexpr char kPrincipal[] = "user@EXAMPLE.COM";
constexpr char kOtherPrincipal[] = "icebear_cloud@EXAMPLE.COM";
constexpr char kPassword[] = "m1sst1ped>_<";
constexpr char kConfig[] = "[libdefaults]";
} // namespace
class SmbKerberosCredentialsUpdaterTest : public testing::Test {
public:
SmbKerberosCredentialsUpdaterTest()
: local_state_(TestingBrowserProcess::GetGlobal()) {
// Enable Kerberos via policy.
SetPref(prefs::kKerberosEnabled, base::Value(true));
user_manager_->AddUser(AccountId::FromUserEmail(kProfileEmail));
// Initialize User, Profile and KerberosCredentialsManager.
KerberosClient::InitializeFake();
TestingProfile::Builder profile_builder;
profile_builder.SetProfileName(kProfileEmail);
profile_ = profile_builder.Build();
credentials_manager_ = std::make_unique<KerberosCredentialsManager>(
local_state_.Get(), profile_.get());
}
~SmbKerberosCredentialsUpdaterTest() override {
// Remove KerberosCredentialsManager instance, before shutting down
// KerberosClient.
credentials_updater_.reset();
credentials_manager_.reset();
KerberosClient::Shutdown();
}
protected:
void AddAccountAndAuthenticate(
const std::string& principal_name,
KerberosCredentialsManager::ResultCallback callback) {
credentials_manager_->AddAccountAndAuthenticate(
principal_name, /*is_managed=*/false, kPassword,
/*remember_password=*/true, kConfig, /*allow_existing=*/false,
std::move(callback));
}
void SetPref(const char* name, base::Value value) {
local_state_.Get()->SetManagedPref(
name, std::make_unique<base::Value>(std::move(value)));
}
void CreateCredentialsUpdater(
SmbKerberosCredentialsUpdater::ActiveAccountChangedCallback callback) {
credentials_updater_ = std::make_unique<SmbKerberosCredentialsUpdater>(
credentials_manager_.get(), std::move(callback));
}
content::BrowserTaskEnvironment task_environment_;
ScopedTestingLocalState local_state_;
user_manager::TypedScopedUserManager<FakeChromeUserManager> user_manager_{
std::make_unique<FakeChromeUserManager>()};
std::unique_ptr<TestingProfile> profile_;
std::unique_ptr<KerberosCredentialsManager> credentials_manager_;
std::unique_ptr<SmbKerberosCredentialsUpdater> credentials_updater_;
};
TEST_F(SmbKerberosCredentialsUpdaterTest, FirstAccountAdded) {
base::RunLoop run_loop;
base::MockRepeatingCallback<void(const std::string& account_identifier)>
account_changed_callback;
base::MockOnceCallback<void(kerberos::ErrorType)> result_callback;
CreateCredentialsUpdater(account_changed_callback.Get());
EXPECT_CALL(account_changed_callback, Run(kPrincipal)).Times(1);
EXPECT_CALL(result_callback, Run(kerberos::ErrorType::ERROR_NONE))
.WillOnce(RunClosure(run_loop.QuitClosure()));
AddAccountAndAuthenticate(kPrincipal, result_callback.Get());
run_loop.Run();
EXPECT_EQ(credentials_updater_->active_account_name(), kPrincipal);
// Set the active user to the same one.
credentials_manager_->SetActiveAccount(kPrincipal);
EXPECT_EQ(credentials_updater_->active_account_name(), kPrincipal);
}
TEST_F(SmbKerberosCredentialsUpdaterTest, SecondAccountAdded) {
base::RunLoop run_loop;
base::RunLoop other_run_loop;
base::MockRepeatingCallback<void(const std::string& account_identifier)>
account_changed_callback;
base::MockOnceCallback<void(kerberos::ErrorType)> result_callback;
base::MockOnceCallback<void(kerberos::ErrorType)> other_result_callback;
CreateCredentialsUpdater(account_changed_callback.Get());
EXPECT_CALL(account_changed_callback, Run(kPrincipal)).Times(2);
EXPECT_CALL(account_changed_callback, Run(kOtherPrincipal)).Times(1);
EXPECT_CALL(result_callback, Run(kerberos::ErrorType::ERROR_NONE))
.WillOnce(RunClosure(run_loop.QuitClosure()));
EXPECT_CALL(other_result_callback, Run(kerberos::ErrorType::ERROR_NONE))
.WillOnce(RunClosure(other_run_loop.QuitClosure()));
AddAccountAndAuthenticate(kPrincipal, result_callback.Get());
run_loop.Run();
EXPECT_EQ(credentials_updater_->active_account_name(), kPrincipal);
AddAccountAndAuthenticate(kOtherPrincipal, other_result_callback.Get());
other_run_loop.Run();
EXPECT_EQ(credentials_updater_->active_account_name(), kOtherPrincipal);
// Change the active user back to the first one.
credentials_manager_->SetActiveAccount(kPrincipal);
EXPECT_EQ(credentials_updater_->active_account_name(), kPrincipal);
}
TEST_F(SmbKerberosCredentialsUpdaterTest, KerberosGetsDisabled) {
base::RunLoop run_loop;
base::MockRepeatingCallback<void(const std::string& account_identifier)>
account_changed_callback;
base::MockOnceCallback<void(kerberos::ErrorType)> result_callback;
EXPECT_CALL(account_changed_callback, Run("")).Times(1);
EXPECT_CALL(result_callback, Run(kerberos::ErrorType::ERROR_NONE))
.WillOnce(RunClosure(run_loop.QuitClosure()));
// Starting with one account added.
AddAccountAndAuthenticate(kPrincipal, result_callback.Get());
run_loop.Run();
CreateCredentialsUpdater(account_changed_callback.Get());
EXPECT_EQ(credentials_updater_->active_account_name(), kPrincipal);
// Disable Kerberos via policy.
SetPref(prefs::kKerberosEnabled, base::Value(false));
EXPECT_TRUE(credentials_updater_->active_account_name().empty());
}
TEST_F(SmbKerberosCredentialsUpdaterTest, KerberosGetsEnabled) {
base::RunLoop run_loop;
base::MockRepeatingCallback<void(const std::string& account_identifier)>
account_changed_callback;
base::MockOnceCallback<void(kerberos::ErrorType)> result_callback;
EXPECT_CALL(account_changed_callback, Run(kPrincipal)).Times(1);
EXPECT_CALL(result_callback, Run(kerberos::ErrorType::ERROR_NONE))
.WillOnce(RunClosure(run_loop.QuitClosure()));
// Starting with Kerberos disabled via policy.
SetPref(prefs::kKerberosEnabled, base::Value(false));
CreateCredentialsUpdater(account_changed_callback.Get());
EXPECT_TRUE(credentials_updater_->active_account_name().empty());
// Enable Kerberos via policy, then add an account.
SetPref(prefs::kKerberosEnabled, base::Value(true));
AddAccountAndAuthenticate(kPrincipal, result_callback.Get());
run_loop.Run();
EXPECT_EQ(credentials_updater_->active_account_name(), kPrincipal);
}
} // namespace ash::smb_client
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