PrismLauncher/launcher/minecraft/auth/AccountList.cpp

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/* 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"
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#include <QIODevice>
#include <QFile>
#include <QTextStream>
#include <QJsonDocument>
#include <QJsonArray>
#include <QJsonObject>
#include <QJsonParseError>
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#include <QDir>
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#include <QDebug>
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#include <FileSystem.h>
#include <QSaveFile>
enum AccountListVersion {
MojangOnly = 2,
MojangMSA = 3
};
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AccountList::AccountList(QObject *parent) : QAbstractListModel(parent) { }
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));
}
void AccountList::addAccount(const MinecraftAccountPtr account)
{
// We only ever want accounts with valid profiles.
// Keeping profile-less accounts is pointless and serves no purpose.
auto profileId = account->profileId();
if(!profileId.size()) {
return;
}
// override/replace existing account with the same profileId
auto existingAccount = findAccountByProfileId(profileId);
if(existingAccount != -1) {
m_accounts[existingAccount] = account;
emit dataChanged(index(existingAccount), index(existingAccount, columnCount(QModelIndex()) - 1));
onListChanged();
return;
}
// if we don't have this porfileId yet, add the account to the end
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int row = m_accounts.count();
beginInsertRows(QModelIndex(), row, row);
connect(account.get(), SIGNAL(changed()), SLOT(accountChanged()));
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];
if(account == m_activeAccount)
{
m_activeAccount = nullptr;
onActiveChanged();
}
beginRemoveRows(QModelIndex(), row, row);
m_accounts.removeAt(index.row());
endRemoveRows();
onListChanged();
}
}
MinecraftAccountPtr AccountList::activeAccount() const
{
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return m_activeAccount;
}
void AccountList::setActiveAccount(const QString &profileId)
{
if (profileId.isEmpty() && m_activeAccount)
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{
int idx = 0;
auto prevActiveAcc = m_activeAccount;
m_activeAccount = nullptr;
for (MinecraftAccountPtr account : m_accounts)
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{
if (account == prevActiveAcc)
{
emit dataChanged(index(idx), index(idx));
}
idx ++;
}
onActiveChanged();
}
else
{
auto currentActiveAccount = m_activeAccount;
int currentActiveAccountIdx = -1;
auto newActiveAccount = m_activeAccount;
int newActiveAccountIdx = -1;
int idx = 0;
for (MinecraftAccountPtr account : m_accounts)
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{
if (account->profileId() == profileId)
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{
newActiveAccount = account;
newActiveAccountIdx = idx;
}
if(currentActiveAccount == account)
{
currentActiveAccountIdx = idx;
}
idx++;
}
if(currentActiveAccount != newActiveAccount)
{
emit dataChanged(index(currentActiveAccountIdx), index(currentActiveAccountIdx));
emit dataChanged(index(newActiveAccountIdx), index(newActiveAccountIdx));
m_activeAccount = newActiveAccount;
onActiveChanged();
}
}
}
void AccountList::accountChanged()
{
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// the list changed. there is no doubt.
onListChanged();
}
void AccountList::onListChanged()
{
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if (m_autosave)
// TODO: Alert the user if this fails.
saveList();
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emit listChanged();
}
void AccountList::onActiveChanged()
{
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if (m_autosave)
saveList();
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emit activeAccountChanged();
}
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 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 ProfileNameColumn: {
return account->profileName();
}
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case MigrationColumn: {
if(account->isMSA()) {
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:
return qVariantFromValue(account);
case Qt::CheckStateRole:
switch (index.column())
{
case NameColumn:
return account == m_activeAccount ? 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 NameColumn:
return tr("Account");
case TypeColumn:
return tr("Type");
case MigrationColumn:
return tr("Can Migrate?");
case ProfileNameColumn:
return tr("Profile");
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default:
return QVariant();
}
case Qt::ToolTipRole:
switch (section)
{
case NameColumn:
return tr("User name of the account.");
case TypeColumn:
return tr("Type of the account - Mojang or MSA.");
case MigrationColumn:
return tr("Can this account migrate to Microsoft account?");
case ProfileNameColumn:
return tr("Name of the Minecraft profile associated with the 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;
}
bool AccountList::setData(const QModelIndex &index, const QVariant &value, int role)
{
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if (index.row() < 0 || index.row() >= rowCount(index) || !index.isValid())
{
return false;
}
if(role == Qt::CheckStateRole)
{
if(value == Qt::Checked)
{
MinecraftAccountPtr account = at(index.row());
setActiveAccount(account->profileId());
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}
}
emit dataChanged(index, index);
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();
auto activeUserName = 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);
m_accounts.append(account);
if (activeUserName.size() && account->mojangUserName() == activeUserName) {
m_activeAccount = 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()) {
continue;
}
if(findAccountByProfileId(profileId) != -1) {
continue;
}
connect(account.get(), &MinecraftAccount::changed, this, &AccountList::accountChanged);
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m_accounts.append(account);
if(accountObj.value("active").toBool(false)) {
m_activeAccount = 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();
if(m_activeAccount == 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()
{
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for(auto account:m_accounts)
{
if(account->accountStatus() != NotVerified)
return true;
}
return false;
}