sneedmc/launcher/minecraft/auth/AccountList.cpp

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// SPDX-License-Identifier: GPL-3.0-only
/*
* PolyMC - Minecraft Launcher
* Copyright (C) 2022 Sefa Eyeoglu <contact@scrumplex.net>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, version 3.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
* This file incorporates work covered by the following copyright and
* permission notice:
*
* Copyright 2013-2021 MultiMC Contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "AccountList.h"
#include "AccountData.h"
#include "AccountTask.h"
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#include <QIODevice>
#include <QFile>
#include <QTextStream>
#include <QJsonDocument>
#include <QJsonArray>
#include <QJsonObject>
#include <QJsonParseError>
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#include <QDir>
#include <QTimer>
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#include <QDebug>
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#include <FileSystem.h>
#include <QSaveFile>
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#include <chrono>
enum AccountListVersion {
MojangOnly = 2,
MojangMSA = 3
};
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AccountList::AccountList(QObject *parent) : QAbstractListModel(parent) {
m_refreshTimer = new QTimer(this);
m_refreshTimer->setSingleShot(true);
connect(m_refreshTimer, &QTimer::timeout, this, &AccountList::fillQueue);
m_nextTimer = new QTimer(this);
m_nextTimer->setSingleShot(true);
connect(m_nextTimer, &QTimer::timeout, this, &AccountList::tryNext);
}
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AccountList::~AccountList() noexcept {}
int AccountList::findAccountByProfileId(const QString& profileId) const {
for (int i = 0; i < count(); i++) {
MinecraftAccountPtr account = at(i);
if (account->profileId() == profileId) {
return i;
}
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}
return -1;
}
MinecraftAccountPtr AccountList::getAccountByProfileName(const QString& profileName) const {
for (int i = 0; i < count(); i++) {
MinecraftAccountPtr account = at(i);
if (account->profileName() == profileName) {
return account;
}
}
return nullptr;
}
const MinecraftAccountPtr AccountList::at(int i) const
{
return MinecraftAccountPtr(m_accounts.at(i));
}
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QStringList AccountList::profileNames() const {
QStringList out;
for(auto & account: m_accounts) {
auto profileName = account->profileName();
if(profileName.isEmpty()) {
continue;
}
out.append(profileName);
}
return out;
}
void AccountList::addAccount(const MinecraftAccountPtr account)
{
// NOTE: Do not allow adding something that's already there
if(m_accounts.contains(account)) {
return;
}
// hook up notifications for changes in the account
connect(account.get(), &MinecraftAccount::changed, this, &AccountList::accountChanged);
connect(account.get(), &MinecraftAccount::activityChanged, this, &AccountList::accountActivityChanged);
// override/replace existing account with the same profileId
auto profileId = account->profileId();
if(profileId.size()) {
auto existingAccount = findAccountByProfileId(profileId);
if(existingAccount != -1) {
MinecraftAccountPtr existingAccountPtr = m_accounts[existingAccount];
m_accounts[existingAccount] = account;
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if(m_defaultAccount == existingAccountPtr) {
m_defaultAccount = account;
}
// disconnect notifications for changes in the account being replaced
existingAccountPtr->disconnect(this);
emit dataChanged(index(existingAccount), index(existingAccount, columnCount(QModelIndex()) - 1));
onListChanged();
return;
}
}
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// if we don't have this profileId yet, add the account to the end
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int row = m_accounts.count();
beginInsertRows(QModelIndex(), row, row);
m_accounts.append(account);
endInsertRows();
onListChanged();
}
void AccountList::removeAccount(QModelIndex index)
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{
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int row = index.row();
if(index.isValid() && row >= 0 && row < m_accounts.size())
{
auto & account = m_accounts[row];
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if(account == m_defaultAccount)
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{
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m_defaultAccount = nullptr;
onDefaultAccountChanged();
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}
account->disconnect(this);
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beginRemoveRows(QModelIndex(), row, row);
m_accounts.removeAt(index.row());
endRemoveRows();
onListChanged();
}
}
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MinecraftAccountPtr AccountList::defaultAccount() const
{
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return m_defaultAccount;
}
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void AccountList::setDefaultAccount(MinecraftAccountPtr newAccount)
{
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if (!newAccount && m_defaultAccount)
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{
int idx = 0;
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auto previousDefaultAccount = m_defaultAccount;
m_defaultAccount = nullptr;
for (MinecraftAccountPtr account : m_accounts)
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{
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if (account == previousDefaultAccount)
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{
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emit dataChanged(index(idx), index(idx, columnCount(QModelIndex()) - 1));
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}
idx ++;
}
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onDefaultAccountChanged();
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}
else
{
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auto currentDefaultAccount = m_defaultAccount;
int currentDefaultAccountIdx = -1;
auto newDefaultAccount = m_defaultAccount;
int newDefaultAccountIdx = -1;
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int idx = 0;
for (MinecraftAccountPtr account : m_accounts)
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{
if (account == newAccount)
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{
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newDefaultAccount = account;
newDefaultAccountIdx = idx;
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}
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if(currentDefaultAccount == account)
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{
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currentDefaultAccountIdx = idx;
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}
idx++;
}
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if(currentDefaultAccount != newDefaultAccount)
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{
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emit dataChanged(index(currentDefaultAccountIdx), index(currentDefaultAccountIdx, columnCount(QModelIndex()) - 1));
emit dataChanged(index(newDefaultAccountIdx), index(newDefaultAccountIdx, columnCount(QModelIndex()) - 1));
m_defaultAccount = newDefaultAccount;
onDefaultAccountChanged();
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}
}
}
void AccountList::accountChanged()
{
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// the list changed. there is no doubt.
onListChanged();
}
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void AccountList::accountActivityChanged(bool active)
{
MinecraftAccount *account = qobject_cast<MinecraftAccount *>(sender());
bool found = false;
for (int i = 0; i < count(); i++) {
if (at(i).get() == account) {
emit dataChanged(index(i), index(i, columnCount(QModelIndex()) - 1));
found = true;
break;
}
}
if(found) {
emit listActivityChanged();
if(active) {
beginActivity();
}
else {
endActivity();
}
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}
}
void AccountList::onListChanged()
{
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if (m_autosave)
// TODO: Alert the user if this fails.
saveList();
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emit listChanged();
}
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void AccountList::onDefaultAccountChanged()
{
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if (m_autosave)
saveList();
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emit defaultAccountChanged();
}
int AccountList::count() const
{
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return m_accounts.count();
}
QVariant AccountList::data(const QModelIndex &index, int role) const
{
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if (!index.isValid())
return QVariant();
if (index.row() > count())
return QVariant();
MinecraftAccountPtr account = at(index.row());
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switch (role)
{
case Qt::DisplayRole:
switch (index.column())
{
case ProfileNameColumn: {
return account->profileName();
}
case NameColumn:
return account->accountDisplayString();
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case TypeColumn: {
auto typeStr = account->typeString();
typeStr[0] = typeStr[0].toUpper();
return typeStr;
}
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case StatusColumn: {
switch(account->accountState()) {
case AccountState::Unchecked: {
return tr("Unchecked", "Account status");
}
case AccountState::Offline: {
return tr("Offline", "Account status");
}
case AccountState::Online: {
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return tr("Ready", "Account status");
}
case AccountState::Working: {
return tr("Working", "Account status");
}
case AccountState::Errored: {
return tr("Errored", "Account status");
}
case AccountState::Expired: {
return tr("Expired", "Account status");
}
case AccountState::Disabled: {
return tr("Disabled", "Account status");
}
case AccountState::Gone: {
return tr("Gone", "Account status");
}
}
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}
case MigrationColumn: {
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if(account->isMSA() || account->isOffline()) {
return tr("N/A", "Can Migrate?");
}
if (account->canMigrate()) {
return tr("Yes", "Can Migrate?");
}
else {
return tr("No", "Can Migrate?");
}
}
default:
return QVariant();
}
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case Qt::ToolTipRole:
return account->accountDisplayString();
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case PointerRole:
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return QVariant::fromValue(account);
case Qt::CheckStateRole:
switch (index.column())
{
case ProfileNameColumn:
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return account == m_defaultAccount ? Qt::Checked : Qt::Unchecked;
}
default:
return QVariant();
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}
}
QVariant AccountList::headerData(int section, Qt::Orientation orientation, int role) const
{
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switch (role)
{
case Qt::DisplayRole:
switch (section)
{
case ProfileNameColumn:
return tr("Username");
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case NameColumn:
return tr("Account");
case TypeColumn:
return tr("Type");
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case StatusColumn:
return tr("Status");
case MigrationColumn:
return tr("Can Migrate?");
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default:
return QVariant();
}
case Qt::ToolTipRole:
switch (section)
{
case ProfileNameColumn:
return tr("Minecraft username associated with the account.");
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case NameColumn:
return tr("User name of the account.");
case TypeColumn:
return tr("Type of the account - Mojang or MSA.");
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case StatusColumn:
return tr("Current status of the account.");
case MigrationColumn:
return tr("Can this account migrate to a Microsoft account?");
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default:
return QVariant();
}
default:
return QVariant();
}
}
int AccountList::rowCount(const QModelIndex &) const
{
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// Return count
return count();
}
int AccountList::columnCount(const QModelIndex &) const
{
return NUM_COLUMNS;
}
Qt::ItemFlags AccountList::flags(const QModelIndex &index) const
{
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if (index.row() < 0 || index.row() >= rowCount(index) || !index.isValid())
{
return Qt::NoItemFlags;
}
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return Qt::ItemIsUserCheckable | Qt::ItemIsEnabled | Qt::ItemIsSelectable;
}
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bool AccountList::setData(const QModelIndex &idx, const QVariant &value, int role)
{
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if (idx.row() < 0 || idx.row() >= rowCount(idx) || !idx.isValid())
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{
return false;
}
if(role == Qt::CheckStateRole)
{
if(value == Qt::Checked)
{
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MinecraftAccountPtr account = at(idx.row());
setDefaultAccount(account);
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}
}
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emit dataChanged(idx, index(idx.row(), columnCount(QModelIndex()) - 1));
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return true;
}
bool AccountList::loadList()
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{
if (m_listFilePath.isEmpty())
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{
qCritical() << "Can't load Mojang account list. No file path given and no default set.";
return false;
}
QFile file(m_listFilePath);
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// Try to open the file and fail if we can't.
// TODO: We should probably report this error to the user.
if (!file.open(QIODevice::ReadOnly))
{
qCritical() << QString("Failed to read the account list file (%1).").arg(m_listFilePath).toUtf8();
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return false;
}
// Read the file and close it.
QByteArray jsonData = file.readAll();
file.close();
QJsonParseError parseError;
QJsonDocument jsonDoc = QJsonDocument::fromJson(jsonData, &parseError);
// Fail if the JSON is invalid.
if (parseError.error != QJsonParseError::NoError)
{
qCritical() << QString("Failed to parse account list file: %1 at offset %2")
.arg(parseError.errorString(), QString::number(parseError.offset))
.toUtf8();
return false;
}
// Make sure the root is an object.
if (!jsonDoc.isObject())
{
qCritical() << "Invalid account list JSON: Root should be an array.";
return false;
}
QJsonObject root = jsonDoc.object();
// Make sure the format version matches.
auto listVersion = root.value("formatVersion").toVariant().toInt();
switch(listVersion) {
case AccountListVersion::MojangOnly: {
return loadV2(root);
}
break;
case AccountListVersion::MojangMSA: {
return loadV3(root);
}
break;
default: {
QString newName = "accounts-old.json";
qWarning() << "Unknown format version when loading account list. Existing one will be renamed to" << newName;
// Attempt to rename the old version.
file.rename(newName);
return false;
}
}
}
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bool AccountList::loadV2(QJsonObject& root) {
beginResetModel();
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auto defaultUserName = root.value("activeAccount").toString("");
QJsonArray accounts = root.value("accounts").toArray();
for (QJsonValue accountVal : accounts)
{
QJsonObject accountObj = accountVal.toObject();
MinecraftAccountPtr account = MinecraftAccount::loadFromJsonV2(accountObj);
if (account.get() != nullptr)
{
auto profileId = account->profileId();
if(!profileId.size()) {
continue;
}
if(findAccountByProfileId(profileId) != -1) {
continue;
}
connect(account.get(), &MinecraftAccount::changed, this, &AccountList::accountChanged);
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connect(account.get(), &MinecraftAccount::activityChanged, this, &AccountList::accountActivityChanged);
m_accounts.append(account);
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if (defaultUserName.size() && account->mojangUserName() == defaultUserName) {
m_defaultAccount = account;
}
}
else
{
qWarning() << "Failed to load an account.";
}
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}
endResetModel();
return true;
}
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bool AccountList::loadV3(QJsonObject& root) {
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beginResetModel();
QJsonArray accounts = root.value("accounts").toArray();
for (QJsonValue accountVal : accounts)
{
QJsonObject accountObj = accountVal.toObject();
MinecraftAccountPtr account = MinecraftAccount::loadFromJsonV3(accountObj);
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if (account.get() != nullptr)
{
auto profileId = account->profileId();
if(profileId.size()) {
if(findAccountByProfileId(profileId) != -1) {
continue;
}
}
connect(account.get(), &MinecraftAccount::changed, this, &AccountList::accountChanged);
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connect(account.get(), &MinecraftAccount::activityChanged, this, &AccountList::accountActivityChanged);
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m_accounts.append(account);
if(accountObj.value("active").toBool(false)) {
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m_defaultAccount = account;
}
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}
else
{
qWarning() << "Failed to load an account.";
}
}
endResetModel();
return true;
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}
bool AccountList::saveList()
{
if (m_listFilePath.isEmpty())
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{
qCritical() << "Can't save Mojang account list. No file path given and no default set.";
return false;
}
// make sure the parent folder exists
if(!FS::ensureFilePathExists(m_listFilePath))
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return false;
// make sure the file wasn't overwritten with a folder before (fixes a bug)
QFileInfo finfo(m_listFilePath);
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if(finfo.isDir())
{
QDir badDir(m_listFilePath);
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badDir.removeRecursively();
}
qDebug() << "Writing account list to" << m_listFilePath;
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qDebug() << "Building JSON data structure.";
// Build the JSON document to write to the list file.
QJsonObject root;
root.insert("formatVersion", AccountListVersion::MojangMSA);
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// Build a list of accounts.
qDebug() << "Building account array.";
QJsonArray accounts;
for (MinecraftAccountPtr account : m_accounts)
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{
QJsonObject accountObj = account->saveToJson();
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if(m_defaultAccount == account) {
accountObj["active"] = true;
}
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accounts.append(accountObj);
}
// Insert the account list into the root object.
root.insert("accounts", accounts);
// Create a JSON document object to convert our JSON to bytes.
QJsonDocument doc(root);
// Now that we're done building the JSON object, we can write it to the file.
qDebug() << "Writing account list to file.";
QSaveFile file(m_listFilePath);
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// Try to open the file and fail if we can't.
// TODO: We should probably report this error to the user.
if (!file.open(QIODevice::WriteOnly))
{
qCritical() << QString("Failed to read the account list file (%1).").arg(m_listFilePath).toUtf8();
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return false;
}
// Write the JSON to the file.
file.write(doc.toJson());
file.setPermissions(QFile::ReadOwner|QFile::WriteOwner|QFile::ReadUser|QFile::WriteUser);
if(file.commit()) {
qDebug() << "Saved account list to" << m_listFilePath;
return true;
}
else {
qDebug() << "Failed to save accounts to" << m_listFilePath;
return false;
}
}
void AccountList::setListFilePath(QString path, bool autosave)
{
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m_listFilePath = path;
m_autosave = autosave;
}
bool AccountList::anyAccountIsValid()
{
for(auto account: m_accounts)
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{
if(account->ownsMinecraft()) {
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return true;
}
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}
return false;
}
void AccountList::fillQueue() {
if(m_defaultAccount && m_defaultAccount->shouldRefresh()) {
auto idToRefresh = m_defaultAccount->internalId();
m_refreshQueue.push_back(idToRefresh);
qDebug() << "AccountList: Queued default account with internal ID " << idToRefresh << " to refresh first";
}
for(int i = 0; i < count(); i++) {
auto account = at(i);
if(account == m_defaultAccount) {
continue;
}
if(account->shouldRefresh()) {
auto idToRefresh = account->internalId();
queueRefresh(idToRefresh);
}
}
tryNext();
}
void AccountList::requestRefresh(QString accountId) {
auto index = m_refreshQueue.indexOf(accountId);
if(index != -1) {
m_refreshQueue.removeAt(index);
}
m_refreshQueue.push_front(accountId);
qDebug() << "AccountList: Pushed account with internal ID " << accountId << " to the front of the queue";
if(!isActive()) {
tryNext();
}
}
void AccountList::queueRefresh(QString accountId) {
if(m_refreshQueue.indexOf(accountId) != -1) {
return;
}
m_refreshQueue.push_back(accountId);
qDebug() << "AccountList: Queued account with internal ID " << accountId << " to refresh";
}
void AccountList::tryNext() {
while (m_refreshQueue.length()) {
auto accountId = m_refreshQueue.front();
m_refreshQueue.pop_front();
for(int i = 0; i < count(); i++) {
auto account = at(i);
if(account->internalId() == accountId) {
m_currentTask = account->refresh();
if(m_currentTask) {
connect(m_currentTask.get(), &AccountTask::succeeded, this, &AccountList::authSucceeded);
connect(m_currentTask.get(), &AccountTask::failed, this, &AccountList::authFailed);
m_currentTask->start();
qDebug() << "RefreshSchedule: Processing account " << account->accountDisplayString() << " with internal ID " << accountId;
return;
}
}
}
qDebug() << "RefreshSchedule: Account with with internal ID " << accountId << " not found.";
}
// if we get here, no account needed refreshing. Schedule refresh in an hour.
m_refreshTimer->start(1000 * 3600);
}
void AccountList::authSucceeded() {
qDebug() << "RefreshSchedule: Background account refresh succeeded";
m_currentTask.reset();
m_nextTimer->start(1000 * 20);
}
void AccountList::authFailed(QString reason) {
qDebug() << "RefreshSchedule: Background account refresh failed: " << reason;
m_currentTask.reset();
m_nextTimer->start(1000 * 20);
}
bool AccountList::isActive() const {
return m_activityCount != 0;
}
void AccountList::beginActivity() {
bool activating = m_activityCount == 0;
m_activityCount++;
if(activating) {
emit activityChanged(true);
}
}
void AccountList::endActivity() {
if(m_activityCount == 0) {
qWarning() << m_name << " - Activity count would become below zero";
return;
}
bool deactivating = m_activityCount == 1;
m_activityCount--;
if(deactivating) {
emit activityChanged(false);
}
}