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// Copyright 2018 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/policy/browser_dm_token_storage_linux.h"
#include <iostream>
#include <memory>
#include "base/files/file_util.h"
#include "base/functional/bind.h"
#include "base/functional/callback_helpers.h"
#include "base/path_service.h"
#include "base/run_loop.h"
#include "base/strings/utf_string_conversions.h"
#include "base/test/scoped_path_override.h"
#include "chrome/common/chrome_paths.h"
#include "content/public/test/browser_task_environment.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
using ::testing::IsEmpty;
namespace policy {
namespace {
const char kDmTokenBaseDir[] = FILE_PATH_LITERAL("Policy/Enrollment/");
const char kMachineId[] = "a1254c624234b270985170c3549725f1";
const char kExpectedClientId[] =
"JXduKRDItaY72B6vHikFl9U95m8"; // Corresponds to kMachineId.
const char kDMToken[] = "fake-dm-token";
#if !BUILDFLAG(IS_CHROMEOS)
const char kEnrollmentTokenFilename[] =
FILE_PATH_LITERAL("enrollment/CloudManagementEnrollmentToken");
const char kEnrollmentToken[] = "fake-enrollment-token";
#endif // !BUILDFLAG(IS_CHROMEOS)
} // namespace
class MockBrowserDMTokenStorageLinux : public BrowserDMTokenStorageLinux {
public:
std::string ReadMachineIdFile() override { return kMachineId; }
};
class BrowserDMTokenStorageLinuxTest : public testing::Test {
private:
content::BrowserTaskEnvironment task_environment_;
};
TEST_F(BrowserDMTokenStorageLinuxTest, InitClientId) {
MockBrowserDMTokenStorageLinux storage;
EXPECT_EQ(kExpectedClientId, storage.InitClientId());
}
TEST_F(BrowserDMTokenStorageLinuxTest, InitEnrollmentToken) {
#if BUILDFLAG(IS_CHROMEOS)
MockBrowserDMTokenStorageLinux storage;
EXPECT_EQ(std::string(), storage.InitEnrollmentToken());
#else
std::unique_ptr<base::ScopedPathOverride> path_override;
base::ScopedTempDir fake_policy_dir;
ASSERT_TRUE(fake_policy_dir.CreateUniqueTempDir());
path_override = std::make_unique<base::ScopedPathOverride>(
chrome::DIR_POLICY_FILES, fake_policy_dir.GetPath());
base::FilePath dir_policy_files_path;
ASSERT_TRUE(
base::PathService::Get(chrome::DIR_POLICY_FILES, &dir_policy_files_path));
base::FilePath enrollment_token_file_path =
dir_policy_files_path.Append(kEnrollmentTokenFilename);
ASSERT_TRUE(base::CreateDirectory(enrollment_token_file_path.DirName()));
ASSERT_TRUE(base::WriteFile(base::FilePath(enrollment_token_file_path),
kEnrollmentToken));
MockBrowserDMTokenStorageLinux storage;
EXPECT_EQ(kEnrollmentToken, storage.InitEnrollmentToken());
#endif // BUILDFLAG(IS_CHROMEOS)
}
TEST_F(BrowserDMTokenStorageLinuxTest, InitDMToken) {
std::unique_ptr<base::ScopedPathOverride> path_override;
base::ScopedTempDir fake_user_data_dir;
ASSERT_TRUE(fake_user_data_dir.CreateUniqueTempDir());
path_override = std::make_unique<base::ScopedPathOverride>(
chrome::DIR_USER_DATA, fake_user_data_dir.GetPath());
base::FilePath dir_user_data_path;
ASSERT_TRUE(
base::PathService::Get(chrome::DIR_USER_DATA, &dir_user_data_path));
base::FilePath dm_token_dir_path = dir_user_data_path.Append(kDmTokenBaseDir);
ASSERT_TRUE(base::CreateDirectory(dm_token_dir_path));
base::FilePath dm_token_file_path =
dm_token_dir_path.Append(kExpectedClientId);
ASSERT_TRUE(base::WriteFile(base::FilePath(dm_token_file_path), kDMToken));
MockBrowserDMTokenStorageLinux storage;
EXPECT_EQ(kDMToken, storage.InitDMToken());
}
TEST_F(BrowserDMTokenStorageLinuxTest, InitDMTokenWithoutDirectory) {
std::unique_ptr<base::ScopedPathOverride> path_override;
base::ScopedTempDir fake_user_data_dir;
ASSERT_TRUE(fake_user_data_dir.CreateUniqueTempDir());
path_override = std::make_unique<base::ScopedPathOverride>(
chrome::DIR_USER_DATA, fake_user_data_dir.GetPath());
base::FilePath dm_token_dir_path =
fake_user_data_dir.GetPath().Append(kDmTokenBaseDir);
MockBrowserDMTokenStorageLinux storage;
EXPECT_EQ(std::string(), storage.InitDMToken());
EXPECT_FALSE(base::PathExists(dm_token_dir_path));
}
class TestStoreDMTokenDelegate {
public:
TestStoreDMTokenDelegate() : called_(false), success_(false) {}
~TestStoreDMTokenDelegate() = default;
void OnDMTokenUpdated(bool success) {
run_loop_.Quit();
called_ = true;
success_ = success;
}
bool WasCalled() {
bool was_called = called_;
called_ = false;
return was_called;
}
bool success() { return success_; }
void Wait() { run_loop_.Run(); }
private:
bool called_;
bool success_;
base::RunLoop run_loop_;
};
TEST_F(BrowserDMTokenStorageLinuxTest, SaveDMToken) {
TestStoreDMTokenDelegate callback_delegate;
std::unique_ptr<base::ScopedPathOverride> path_override;
base::ScopedTempDir fake_user_data_dir;
ASSERT_TRUE(fake_user_data_dir.CreateUniqueTempDir());
path_override = std::make_unique<base::ScopedPathOverride>(
chrome::DIR_USER_DATA, fake_user_data_dir.GetPath());
MockBrowserDMTokenStorageLinux storage_delegate;
auto task = storage_delegate.SaveDMTokenTask(kDMToken,
storage_delegate.InitClientId());
auto reply = base::BindOnce(&TestStoreDMTokenDelegate::OnDMTokenUpdated,
base::Unretained(&callback_delegate));
storage_delegate.SaveDMTokenTaskRunner()->PostTaskAndReplyWithResult(
FROM_HERE, std::move(task), std::move(reply));
callback_delegate.Wait();
ASSERT_TRUE(callback_delegate.WasCalled());
ASSERT_TRUE(callback_delegate.success());
base::FilePath dir_user_data_path;
ASSERT_TRUE(
base::PathService::Get(chrome::DIR_USER_DATA, &dir_user_data_path));
base::FilePath dm_token_dir_path = dir_user_data_path.Append(kDmTokenBaseDir);
base::FilePath dm_token_file_path =
dm_token_dir_path.Append(kExpectedClientId);
std::string dm_token;
ASSERT_TRUE(base::ReadFileToString(dm_token_file_path, &dm_token));
EXPECT_EQ(kDMToken, dm_token);
}
TEST_F(BrowserDMTokenStorageLinuxTest, DeleteDMToken) {
std::unique_ptr<base::ScopedPathOverride> path_override;
base::ScopedTempDir fake_user_data_dir;
ASSERT_TRUE(fake_user_data_dir.CreateUniqueTempDir());
path_override = std::make_unique<base::ScopedPathOverride>(
chrome::DIR_USER_DATA, fake_user_data_dir.GetPath());
// Creating the DMToken file.
base::FilePath dir_user_data_path;
ASSERT_TRUE(
base::PathService::Get(chrome::DIR_USER_DATA, &dir_user_data_path));
base::FilePath dm_token_dir_path = dir_user_data_path.Append(kDmTokenBaseDir);
ASSERT_TRUE(base::CreateDirectory(dm_token_dir_path));
base::FilePath dm_token_file_path =
dm_token_dir_path.Append(kExpectedClientId);
ASSERT_TRUE(base::WriteFile(base::FilePath(dm_token_file_path), kDMToken));
ASSERT_TRUE(base::PathExists(dm_token_file_path));
// Deleting the saved DMToken.
MockBrowserDMTokenStorageLinux storage_delegate;
TestStoreDMTokenDelegate delete_callback_delegate;
auto delete_task =
storage_delegate.DeleteDMTokenTask(storage_delegate.InitClientId());
auto delete_reply =
base::BindOnce(&TestStoreDMTokenDelegate::OnDMTokenUpdated,
base::Unretained(&delete_callback_delegate));
storage_delegate.SaveDMTokenTaskRunner()->PostTaskAndReplyWithResult(
FROM_HERE, std::move(delete_task), std::move(delete_reply));
delete_callback_delegate.Wait();
ASSERT_TRUE(delete_callback_delegate.WasCalled());
ASSERT_TRUE(delete_callback_delegate.success());
ASSERT_FALSE(base::PathExists(dm_token_file_path));
}
TEST_F(BrowserDMTokenStorageLinuxTest, DeleteEmptyDMToken) {
std::unique_ptr<base::ScopedPathOverride> path_override;
base::ScopedTempDir fake_user_data_dir;
ASSERT_TRUE(fake_user_data_dir.CreateUniqueTempDir());
path_override = std::make_unique<base::ScopedPathOverride>(
chrome::DIR_USER_DATA, fake_user_data_dir.GetPath());
base::FilePath dir_user_data_path;
ASSERT_TRUE(
base::PathService::Get(chrome::DIR_USER_DATA, &dir_user_data_path));
base::FilePath dm_token_dir_path = dir_user_data_path.Append(kDmTokenBaseDir);
base::FilePath dm_token_file_path =
dm_token_dir_path.Append(kExpectedClientId);
ASSERT_FALSE(base::PathExists(dm_token_file_path));
MockBrowserDMTokenStorageLinux storage_delegate;
TestStoreDMTokenDelegate callback_delegate;
auto delete_task =
storage_delegate.DeleteDMTokenTask(storage_delegate.InitClientId());
auto delete_reply =
base::BindOnce(&TestStoreDMTokenDelegate::OnDMTokenUpdated,
base::Unretained(&callback_delegate));
storage_delegate.SaveDMTokenTaskRunner()->PostTaskAndReplyWithResult(
FROM_HERE, std::move(delete_task), std::move(delete_reply));
callback_delegate.Wait();
ASSERT_TRUE(callback_delegate.WasCalled());
ASSERT_TRUE(callback_delegate.success());
ASSERT_FALSE(base::PathExists(dm_token_file_path));
}
} // namespace policy
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