// Copyright 2018 yuzu emulator team
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <random>
#include <boost/optional.hpp>
#include "common/file_util.h"
#include "core/hle/service/acc/profile_manager.h"
#include "core/settings.h"
namespace Service::Account {
struct UserRaw {
UUID uuid;
UUID uuid2;
u64 timestamp;
ProfileUsername username;
INSERT_PADDING_BYTES(0x80);
};
static_assert(sizeof(UserRaw) == 0xC8, "UserRaw has incorrect size.");
struct ProfileDataRaw {
INSERT_PADDING_BYTES(0x10);
std::array<UserRaw, MAX_USERS> users;
};
static_assert(sizeof(ProfileDataRaw) == 0x650, "ProfileDataRaw has incorrect size.");
// TODO(ogniK): Get actual error codes
constexpr ResultCode ERROR_TOO_MANY_USERS(ErrorModule::Account, -1);
constexpr ResultCode ERROR_USER_ALREADY_EXISTS(ErrorModule::Account, -2);
constexpr ResultCode ERROR_ARGUMENT_IS_NULL(ErrorModule::Account, 20);
const UUID& UUID::Generate() {
std::random_device device;
std::mt19937 gen(device());
std::uniform_int_distribution<u64> distribution(1, std::numeric_limits<u64>::max());
uuid[0] = distribution(gen);
uuid[1] = distribution(gen);
return *this;
}
ProfileManager::ProfileManager() {
ParseUserSaveFile();
if (user_count == 0)
CreateNewUser(UUID{}.Generate(), "yuzu");
auto current = Settings::values.current_user;
if (!GetAllUsers()[current])
current = 0;
OpenUser(GetAllUsers()[current]);
}
ProfileManager::~ProfileManager() {
WriteUserSaveFile();
}
/// After a users creation it needs to be "registered" to the system. AddToProfiles handles the
/// internal management of the users profiles
boost::optional<std::size_t> ProfileManager::AddToProfiles(const ProfileInfo& user) {
if (user_count >= MAX_USERS) {
return boost::none;
}
profiles[user_count] = user;
return user_count++;
}
/// Deletes a specific profile based on it's profile index
bool ProfileManager::RemoveProfileAtIndex(std::size_t index) {
if (index >= MAX_USERS || index >= user_count) {
return false;
}
if (index < user_count - 1) {
std::rotate(profiles.begin() + index, profiles.begin() + index + 1, profiles.end());
}
profiles.back() = {};
user_count--;
return true;
}
/// Helper function to register a user to the system
ResultCode ProfileManager::AddUser(const ProfileInfo& user) {
if (AddToProfiles(user) == boost::none) {
return ERROR_TOO_MANY_USERS;
}
return RESULT_SUCCESS;
}
/// Create a new user on the system. If the uuid of the user already exists, the user is not
/// created.
ResultCode ProfileManager::CreateNewUser(UUID uuid, const ProfileUsername& username) {
if (user_count == MAX_USERS) {
return ERROR_TOO_MANY_USERS;
}
if (!uuid) {
return ERROR_ARGUMENT_IS_NULL;
}
if (username[0] == 0x0) {
return ERROR_ARGUMENT_IS_NULL;
}
if (std::any_of(profiles.begin(), profiles.end(),
[&uuid](const ProfileInfo& profile) { return uuid == profile.user_uuid; })) {
return ERROR_USER_ALREADY_EXISTS;
}
ProfileInfo profile;
profile.user_uuid = uuid;
profile.username = username;
profile.data = {};
profile.creation_time = 0x0;
profile.is_open = false;
return AddUser(profile);
}
/// Creates a new user on the system. This function allows a much simpler method of registration
/// specifically by allowing an std::string for the username. This is required specifically since
/// we're loading a string straight from the config
ResultCode ProfileManager::CreateNewUser(UUID uuid, const std::string& username) {
ProfileUsername username_output{};
if (username.size() > username_output.size()) {
std::copy_n(username.begin(), username_output.size(), username_output.begin());
} else {
std::copy(username.begin(), username.end(), username_output.begin());
}
return CreateNewUser(uuid, username_output);
}
/// Returns a users profile index based on their user id.
boost::optional<std::size_t> ProfileManager::GetUserIndex(const UUID& uuid) const {
if (!uuid) {
return boost::none;
}
auto iter = std::find_if(profiles.begin(), profiles.end(),
[&uuid](const ProfileInfo& p) { return p.user_uuid == uuid; });
if (iter == profiles.end()) {
return boost::none;
}
return static_cast<std::size_t>(std::distance(profiles.begin(), iter));
}
/// Returns a users profile index based on their profile
boost::optional<std::size_t> ProfileManager::GetUserIndex(const ProfileInfo& user) const {
return GetUserIndex(user.user_uuid);
}
/// Returns the data structure used by the switch when GetProfileBase is called on acc:*
bool ProfileManager::GetProfileBase(boost::optional<std::size_t> index,
ProfileBase& profile) const {
if (index == boost::none || index >= MAX_USERS) {
return false;
}
const auto& prof_info = profiles[index.get()];
profile.user_uuid = prof_info.user_uuid;
profile.username = prof_info.username;
profile.timestamp = prof_info.creation_time;
return true;
}
/// Returns the data structure used by the switch when GetProfileBase is called on acc:*
bool ProfileManager::GetProfileBase(UUID uuid, ProfileBase& profile) const {
auto idx = GetUserIndex(uuid);
return GetProfileBase(idx, profile);
}
/// Returns the data structure used by the switch when GetProfileBase is called on acc:*
bool ProfileManager::GetProfileBase(const ProfileInfo& user, ProfileBase& profile) const {
return GetProfileBase(user.user_uuid, profile);
}
/// Returns the current user count on the system. We keep a variable which tracks the count so we
/// don't have to loop the internal profile array every call.
std::size_t ProfileManager::GetUserCount() const {
return user_count;
}
/// Lists the current "opened" users on the system. Users are typically not open until they sign
/// into something or pick a profile. As of right now users should all be open until qlaunch is
/// booting
std::size_t ProfileManager::GetOpenUserCount() const {
return std::count_if(profiles.begin(), profiles.end(),
[](const ProfileInfo& p) { return p.is_open; });
}
/// Checks if a user id exists in our profile manager
bool ProfileManager::UserExists(UUID uuid) const {
return (GetUserIndex(uuid) != boost::none);
}
/// Opens a specific user
void ProfileManager::OpenUser(UUID uuid) {
auto idx = GetUserIndex(uuid);
if (idx == boost::none) {
return;
}
profiles[idx.get()].is_open = true;
last_opened_user = uuid;
}
/// Closes a specific user
void ProfileManager::CloseUser(UUID uuid) {
auto idx = GetUserIndex(uuid);
if (idx == boost::none) {
return;
}
profiles[idx.get()].is_open = false;
}
/// Gets all valid user ids on the system
UserIDArray ProfileManager::GetAllUsers() const {
UserIDArray output;
std::transform(profiles.begin(), profiles.end(), output.begin(),
[](const ProfileInfo& p) { return p.user_uuid; });
return output;
}
/// Get all the open users on the system and zero out the rest of the data. This is specifically
/// needed for GetOpenUsers and we need to ensure the rest of the output buffer is zero'd out
UserIDArray ProfileManager::GetOpenUsers() const {
UserIDArray output;
std::transform(profiles.begin(), profiles.end(), output.begin(), [](const ProfileInfo& p) {
if (p.is_open)
return p.user_uuid;
return UUID{};
});
std::stable_partition(output.begin(), output.end(), [](const UUID& uuid) { return uuid; });
return output;
}
/// Returns the last user which was opened
UUID ProfileManager::GetLastOpenedUser() const {
return last_opened_user;
}
/// Return the users profile base and the unknown arbitary data.
bool ProfileManager::GetProfileBaseAndData(boost::optional<std::size_t> index, ProfileBase& profile,
ProfileData& data) const {
if (GetProfileBase(index, profile)) {
data = profiles[index.get()].data;
return true;
}
return false;
}
/// Return the users profile base and the unknown arbitary data.
bool ProfileManager::GetProfileBaseAndData(UUID uuid, ProfileBase& profile,
ProfileData& data) const {
auto idx = GetUserIndex(uuid);
return GetProfileBaseAndData(idx, profile, data);
}
/// Return the users profile base and the unknown arbitary data.
bool ProfileManager::GetProfileBaseAndData(const ProfileInfo& user, ProfileBase& profile,
ProfileData& data) const {
return GetProfileBaseAndData(user.user_uuid, profile, data);
}
/// Returns if the system is allowing user registrations or not
bool ProfileManager::CanSystemRegisterUser() const {
return false; // TODO(ogniK): Games shouldn't have
// access to user registration, when we
// emulate qlaunch. Update this to dynamically change.
}
bool ProfileManager::RemoveUser(UUID uuid) {
auto index = GetUserIndex(uuid);
if (index == boost::none) {
return false;
}
profiles[*index] = ProfileInfo{};
std::stable_partition(profiles.begin(), profiles.end(),
[](const ProfileInfo& profile) { return profile.user_uuid; });
return true;
}
bool ProfileManager::SetProfileBase(UUID uuid, const ProfileBase& profile_new) {
auto index = GetUserIndex(uuid);
if (profile_new.user_uuid == UUID(INVALID_UUID) || index == boost::none) {
return false;
}
auto& profile = profiles[*index];
profile.user_uuid = profile_new.user_uuid;
profile.username = profile_new.username;
profile.creation_time = profile_new.timestamp;
return true;
}
void ProfileManager::ParseUserSaveFile() {
FileUtil::IOFile save(FileUtil::GetUserPath(FileUtil::UserPath::NANDDir) +
"/system/save/8000000000000010/su/avators/profiles.dat",
"rb");
ProfileDataRaw data;
save.Seek(0, SEEK_SET);
if (save.ReadBytes(&data, sizeof(ProfileDataRaw)) != sizeof(ProfileDataRaw))
return;
for (std::size_t i = 0; i < MAX_USERS; ++i) {
const auto& user = data.users[i];
if (user.uuid != UUID(INVALID_UUID))
AddUser({user.uuid, user.username, user.timestamp, {}, false});
}
std::stable_partition(profiles.begin(), profiles.end(),
[](const ProfileInfo& profile) { return profile.user_uuid; });
}
void ProfileManager::WriteUserSaveFile() {
ProfileDataRaw raw{};
for (std::size_t i = 0; i < MAX_USERS; ++i) {
raw.users[i].username = profiles[i].username;
raw.users[i].uuid2 = profiles[i].user_uuid;
raw.users[i].uuid = profiles[i].user_uuid;
raw.users[i].timestamp = profiles[i].creation_time;
}
FileUtil::IOFile save(FileUtil::GetUserPath(FileUtil::UserPath::NANDDir) +
"/system/save/8000000000000010/su/avators/profiles.dat",
"wb");
save.Resize(sizeof(ProfileDataRaw));
save.Seek(0, SEEK_SET);
save.WriteBytes(&raw, sizeof(ProfileDataRaw));
}
}; // namespace Service::Account