// Copyright 2018 yuzu emulator team
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <array>
#include <optional>
#include "common/common_types.h"
#include "common/swap.h"
#include "core/hle/result.h"
namespace Service::Account {
constexpr std::size_t MAX_USERS = 8;
constexpr std::size_t MAX_DATA = 128;
constexpr u128 INVALID_UUID{{0, 0}};
struct UUID {
// UUIDs which are 0 are considered invalid!
u128 uuid = INVALID_UUID;
UUID() = default;
explicit UUID(const u128& id) : uuid{id} {}
explicit UUID(const u64 lo, const u64 hi) : uuid{{lo, hi}} {}
explicit operator bool() const {
return uuid != INVALID_UUID;
}
bool operator==(const UUID& rhs) const {
return uuid == rhs.uuid;
}
bool operator!=(const UUID& rhs) const {
return !operator==(rhs);
}
// TODO(ogniK): Properly generate uuids based on RFC-4122
static UUID Generate();
// Set the UUID to {0,0} to be considered an invalid user
void Invalidate() {
uuid = INVALID_UUID;
}
std::string Format() const {
return fmt::format("0x{:016X}{:016X}", uuid[1], uuid[0]);
}
std::string FormatSwitch() const {
std::array<u8, 16> s{};
std::memcpy(s.data(), uuid.data(), sizeof(u128));
return fmt::format("{:02x}{:02x}{:02x}{:02x}-{:02x}{:02x}-{:02x}{:02x}-{:02x}{:02x}-{:02x}{"
":02x}{:02x}{:02x}{:02x}{:02x}",
s[0], s[1], s[2], s[3], s[4], s[5], s[6], s[7], s[8], s[9], s[10], s[11],
s[12], s[13], s[14], s[15]);
}
};
static_assert(sizeof(UUID) == 16, "UUID is an invalid size!");
using ProfileUsername = std::array<u8, 0x20>;
using ProfileData = std::array<u8, MAX_DATA>;
using UserIDArray = std::array<UUID, MAX_USERS>;
/// This holds general information about a users profile. This is where we store all the information
/// based on a specific user
struct ProfileInfo {
UUID user_uuid;
ProfileUsername username;
u64 creation_time;
ProfileData data; // TODO(ognik): Work out what this is
bool is_open;
};
struct ProfileBase {
UUID user_uuid;
u64_le timestamp;
ProfileUsername username;
// Zero out all the fields to make the profile slot considered "Empty"
void Invalidate() {
user_uuid.Invalidate();
timestamp = 0;
username.fill(0);
}
};
static_assert(sizeof(ProfileBase) == 0x38, "ProfileBase is an invalid size");
/// The profile manager is used for handling multiple user profiles at once. It keeps track of open
/// users, all the accounts registered on the "system" as well as fetching individual "ProfileInfo"
/// objects
class ProfileManager {
public:
ProfileManager();
~ProfileManager();
ResultCode AddUser(const ProfileInfo& user);
ResultCode CreateNewUser(UUID uuid, const ProfileUsername& username);
ResultCode CreateNewUser(UUID uuid, const std::string& username);
std::optional<UUID> GetUser(std::size_t index) const;
std::optional<std::size_t> GetUserIndex(const UUID& uuid) const;
std::optional<std::size_t> GetUserIndex(const ProfileInfo& user) const;
bool GetProfileBase(std::optional<std::size_t> index, ProfileBase& profile) const;
bool GetProfileBase(UUID uuid, ProfileBase& profile) const;
bool GetProfileBase(const ProfileInfo& user, ProfileBase& profile) const;
bool GetProfileBaseAndData(std::optional<std::size_t> index, ProfileBase& profile,
ProfileData& data) const;
bool GetProfileBaseAndData(UUID uuid, ProfileBase& profile, ProfileData& data) const;
bool GetProfileBaseAndData(const ProfileInfo& user, ProfileBase& profile,
ProfileData& data) const;
std::size_t GetUserCount() const;
std::size_t GetOpenUserCount() const;
bool UserExists(UUID uuid) const;
bool UserExistsIndex(std::size_t index) const;
void OpenUser(UUID uuid);
void CloseUser(UUID uuid);
UserIDArray GetOpenUsers() const;
UserIDArray GetAllUsers() const;
UUID GetLastOpenedUser() const;
bool CanSystemRegisterUser() const;
bool RemoveUser(UUID uuid);
bool SetProfileBase(UUID uuid, const ProfileBase& profile_new);
private:
void ParseUserSaveFile();
void WriteUserSaveFile();
std::optional<std::size_t> AddToProfiles(const ProfileInfo& profile);
bool RemoveProfileAtIndex(std::size_t index);
std::array<ProfileInfo, MAX_USERS> profiles{};
std::size_t user_count = 0;
UUID last_opened_user{INVALID_UUID};
};
}; // namespace Service::Account