494 lines
16 KiB
C++
494 lines
16 KiB
C++
// SPDX-License-Identifier: GPL-3.0-only
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/*
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* PolyMC - Minecraft Launcher
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* Copyright (C) 2022 Sefa Eyeoglu <contact@scrumplex.net>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, version 3.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*
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* This file incorporates work covered by the following copyright and
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* permission notice:
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*
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* Copyright 2013-2021 MultiMC Contributors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "AccountData.h"
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#include <QJsonDocument>
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#include <QJsonObject>
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#include <QJsonArray>
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#include <QDebug>
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#include <QUuid>
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#include <QRegularExpression>
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namespace {
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void tokenToJSONV3(QJsonObject &parent, Katabasis::Token t, const char * tokenName) {
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if(!t.persistent) {
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return;
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}
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QJsonObject out;
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if(t.issueInstant.isValid()) {
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out["iat"] = QJsonValue(t.issueInstant.toMSecsSinceEpoch() / 1000);
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}
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if(t.notAfter.isValid()) {
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out["exp"] = QJsonValue(t.notAfter.toMSecsSinceEpoch() / 1000);
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}
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bool save = false;
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if(!t.token.isEmpty()) {
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out["token"] = QJsonValue(t.token);
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save = true;
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}
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if(!t.refresh_token.isEmpty()) {
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out["refresh_token"] = QJsonValue(t.refresh_token);
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save = true;
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}
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if(t.extra.size()) {
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out["extra"] = QJsonObject::fromVariantMap(t.extra);
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save = true;
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}
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if(save) {
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parent[tokenName] = out;
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}
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}
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Katabasis::Token tokenFromJSONV3(const QJsonObject &parent, const char * tokenName) {
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Katabasis::Token out;
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auto tokenObject = parent.value(tokenName).toObject();
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if(tokenObject.isEmpty()) {
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return out;
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}
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auto issueInstant = tokenObject.value("iat");
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if(issueInstant.isDouble()) {
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out.issueInstant = QDateTime::fromMSecsSinceEpoch(((int64_t) issueInstant.toDouble()) * 1000);
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}
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auto notAfter = tokenObject.value("exp");
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if(notAfter.isDouble()) {
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out.notAfter = QDateTime::fromMSecsSinceEpoch(((int64_t) notAfter.toDouble()) * 1000);
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}
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auto token = tokenObject.value("token");
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if(token.isString()) {
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out.token = token.toString();
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out.validity = Katabasis::Validity::Assumed;
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}
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auto refresh_token = tokenObject.value("refresh_token");
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if(refresh_token.isString()) {
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out.refresh_token = refresh_token.toString();
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}
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auto extra = tokenObject.value("extra");
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if(extra.isObject()) {
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out.extra = extra.toObject().toVariantMap();
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}
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return out;
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}
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void profileToJSONV3(QJsonObject &parent, MinecraftProfile p, const char * tokenName) {
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if(p.id.isEmpty()) {
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return;
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}
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QJsonObject out;
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out["id"] = QJsonValue(p.id);
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out["name"] = QJsonValue(p.name);
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if(!p.currentCape.isEmpty()) {
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out["cape"] = p.currentCape;
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}
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{
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QJsonObject skinObj;
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skinObj["id"] = p.skin.id;
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skinObj["url"] = p.skin.url;
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skinObj["variant"] = p.skin.variant;
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if(p.skin.data.size()) {
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skinObj["data"] = QString::fromLatin1(p.skin.data.toBase64());
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}
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out["skin"] = skinObj;
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}
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QJsonArray capesArray;
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for(auto & cape: p.capes) {
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QJsonObject capeObj;
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capeObj["id"] = cape.id;
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capeObj["url"] = cape.url;
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capeObj["alias"] = cape.alias;
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if(cape.data.size()) {
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capeObj["data"] = QString::fromLatin1(cape.data.toBase64());
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}
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capesArray.push_back(capeObj);
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}
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out["capes"] = capesArray;
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parent[tokenName] = out;
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}
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MinecraftProfile profileFromJSONV3(const QJsonObject &parent, const char * tokenName) {
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MinecraftProfile out;
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auto tokenObject = parent.value(tokenName).toObject();
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if(tokenObject.isEmpty()) {
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return out;
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}
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{
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auto idV = tokenObject.value("id");
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auto nameV = tokenObject.value("name");
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if(!idV.isString() || !nameV.isString()) {
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qWarning() << "mandatory profile attributes are missing or of unexpected type";
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return MinecraftProfile();
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}
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out.name = nameV.toString();
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out.id = idV.toString();
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}
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{
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auto skinV = tokenObject.value("skin");
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if(!skinV.isObject()) {
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qWarning() << "skin is missing";
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return MinecraftProfile();
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}
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auto skinObj = skinV.toObject();
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auto idV = skinObj.value("id");
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auto urlV = skinObj.value("url");
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auto variantV = skinObj.value("variant");
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if(!idV.isString() || !urlV.isString() || !variantV.isString()) {
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qWarning() << "mandatory skin attributes are missing or of unexpected type";
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return MinecraftProfile();
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}
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out.skin.id = idV.toString();
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out.skin.url = urlV.toString();
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out.skin.variant = variantV.toString();
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// data for skin is optional
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auto dataV = skinObj.value("data");
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if(dataV.isString()) {
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// TODO: validate base64
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out.skin.data = QByteArray::fromBase64(dataV.toString().toLatin1());
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}
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else if (!dataV.isUndefined()) {
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qWarning() << "skin data is something unexpected";
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return MinecraftProfile();
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}
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}
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{
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auto capesV = tokenObject.value("capes");
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if(!capesV.isArray()) {
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qWarning() << "capes is not an array!";
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return MinecraftProfile();
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}
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auto capesArray = capesV.toArray();
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for(auto capeV: capesArray) {
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if(!capeV.isObject()) {
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qWarning() << "cape is not an object!";
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return MinecraftProfile();
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}
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auto capeObj = capeV.toObject();
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auto idV = capeObj.value("id");
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auto urlV = capeObj.value("url");
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auto aliasV = capeObj.value("alias");
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if(!idV.isString() || !urlV.isString() || !aliasV.isString()) {
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qWarning() << "mandatory skin attributes are missing or of unexpected type";
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return MinecraftProfile();
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}
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Cape cape;
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cape.id = idV.toString();
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cape.url = urlV.toString();
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cape.alias = aliasV.toString();
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// data for cape is optional.
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auto dataV = capeObj.value("data");
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if(dataV.isString()) {
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// TODO: validate base64
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cape.data = QByteArray::fromBase64(dataV.toString().toLatin1());
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}
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else if (!dataV.isUndefined()) {
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qWarning() << "cape data is something unexpected";
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return MinecraftProfile();
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}
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out.capes[cape.id] = cape;
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}
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}
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// current cape
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{
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auto capeV = tokenObject.value("cape");
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if(capeV.isString()) {
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auto currentCape = capeV.toString();
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if(out.capes.contains(currentCape)) {
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out.currentCape = currentCape;
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}
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}
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}
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out.validity = Katabasis::Validity::Assumed;
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return out;
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}
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void entitlementToJSONV3(QJsonObject &parent, MinecraftEntitlement p) {
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if(p.validity == Katabasis::Validity::None) {
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return;
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}
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QJsonObject out;
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out["ownsMinecraft"] = QJsonValue(p.ownsMinecraft);
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out["canPlayMinecraft"] = QJsonValue(p.canPlayMinecraft);
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parent["entitlement"] = out;
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}
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bool entitlementFromJSONV3(const QJsonObject &parent, MinecraftEntitlement & out) {
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auto entitlementObject = parent.value("entitlement").toObject();
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if(entitlementObject.isEmpty()) {
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return false;
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}
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{
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auto ownsMinecraftV = entitlementObject.value("ownsMinecraft");
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auto canPlayMinecraftV = entitlementObject.value("canPlayMinecraft");
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if(!ownsMinecraftV.isBool() || !canPlayMinecraftV.isBool()) {
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qWarning() << "mandatory attributes are missing or of unexpected type";
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return false;
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}
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out.canPlayMinecraft = canPlayMinecraftV.toBool(false);
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out.ownsMinecraft = ownsMinecraftV.toBool(false);
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out.validity = Katabasis::Validity::Assumed;
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}
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return true;
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}
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}
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bool AccountData::resumeStateFromV2(QJsonObject data) {
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// The JSON object must at least have a username for it to be valid.
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if (!data.value("username").isString())
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{
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qCritical() << "Can't load Mojang account info from JSON object. Username field is missing or of the wrong type.";
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return false;
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}
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QString userName = data.value("username").toString("");
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QString clientToken = data.value("clientToken").toString("");
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QString accessToken = data.value("accessToken").toString("");
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QJsonArray profileArray = data.value("profiles").toArray();
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if (profileArray.size() < 1)
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{
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qCritical() << "Can't load Mojang account with username \"" << userName << "\". No profiles found.";
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return false;
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}
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struct AccountProfile
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{
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QString id;
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QString name;
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bool legacy;
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};
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QList<AccountProfile> profiles;
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int currentProfileIndex = 0;
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int index = -1;
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QString currentProfile = data.value("activeProfile").toString("");
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for (QJsonValue profileVal : profileArray)
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{
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index++;
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QJsonObject profileObject = profileVal.toObject();
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QString id = profileObject.value("id").toString("");
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QString name = profileObject.value("name").toString("");
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bool legacy = profileObject.value("legacy").toBool(false);
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if (id.isEmpty() || name.isEmpty())
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{
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qWarning() << "Unable to load a profile" << name << "because it was missing an ID or a name.";
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continue;
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}
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if(id == currentProfile) {
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currentProfileIndex = index;
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}
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profiles.append({id, name, legacy});
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}
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auto & profile = profiles[currentProfileIndex];
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type = AccountType::Mojang;
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legacy = profile.legacy;
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minecraftProfile.id = profile.id;
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minecraftProfile.name = profile.name;
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minecraftProfile.validity = Katabasis::Validity::Assumed;
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yggdrasilToken.token = accessToken;
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yggdrasilToken.extra["clientToken"] = clientToken;
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yggdrasilToken.extra["userName"] = userName;
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yggdrasilToken.validity = Katabasis::Validity::Assumed;
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validity_ = minecraftProfile.validity;
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return true;
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}
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bool AccountData::resumeStateFromV3(QJsonObject data) {
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auto typeV = data.value("type");
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if(!typeV.isString()) {
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qWarning() << "Failed to parse account data: type is missing.";
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return false;
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}
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auto typeS = typeV.toString();
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if(typeS == "MSA") {
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type = AccountType::MSA;
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} else if (typeS == "Mojang") {
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type = AccountType::Mojang;
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} else if (typeS == "Offline") {
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type = AccountType::Offline;
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} else {
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qWarning() << "Failed to parse account data: type is not recognized.";
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return false;
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}
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if(type == AccountType::Mojang) {
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legacy = data.value("legacy").toBool(false);
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canMigrateToMSA = data.value("canMigrateToMSA").toBool(false);
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}
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if(type == AccountType::MSA) {
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auto clientIDV = data.value("msa-client-id");
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if (clientIDV.isString()) {
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msaClientID = clientIDV.toString();
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} // leave msaClientID empty if it doesn't exist or isn't a string
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msaToken = tokenFromJSONV3(data, "msa");
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userToken = tokenFromJSONV3(data, "utoken");
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xboxApiToken = tokenFromJSONV3(data, "xrp-main");
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mojangservicesToken = tokenFromJSONV3(data, "xrp-mc");
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}
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yggdrasilToken = tokenFromJSONV3(data, "ygg");
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minecraftProfile = profileFromJSONV3(data, "profile");
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if(!entitlementFromJSONV3(data, minecraftEntitlement)) {
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if(minecraftProfile.validity != Katabasis::Validity::None) {
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minecraftEntitlement.canPlayMinecraft = true;
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minecraftEntitlement.ownsMinecraft = true;
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minecraftEntitlement.validity = Katabasis::Validity::Assumed;
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}
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}
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validity_ = minecraftProfile.validity;
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return true;
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}
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QJsonObject AccountData::saveState() const {
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QJsonObject output;
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if(type == AccountType::Mojang) {
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output["type"] = "Mojang";
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if(legacy) {
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output["legacy"] = true;
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}
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if(canMigrateToMSA) {
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output["canMigrateToMSA"] = true;
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}
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}
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else if (type == AccountType::MSA) {
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output["type"] = "MSA";
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output["msa-client-id"] = msaClientID;
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tokenToJSONV3(output, msaToken, "msa");
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tokenToJSONV3(output, userToken, "utoken");
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tokenToJSONV3(output, xboxApiToken, "xrp-main");
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tokenToJSONV3(output, mojangservicesToken, "xrp-mc");
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}
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else if (type == AccountType::Offline) {
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output["type"] = "Offline";
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}
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tokenToJSONV3(output, yggdrasilToken, "ygg");
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profileToJSONV3(output, minecraftProfile, "profile");
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entitlementToJSONV3(output, minecraftEntitlement);
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return output;
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}
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QString AccountData::userName() const {
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if(type == AccountType::MSA) {
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return QString();
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}
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return yggdrasilToken.extra["userName"].toString();
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}
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QString AccountData::accessToken() const {
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return yggdrasilToken.token;
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}
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QString AccountData::clientToken() const {
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if(type != AccountType::Mojang) {
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return QString();
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}
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return yggdrasilToken.extra["clientToken"].toString();
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}
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void AccountData::setClientToken(QString clientToken) {
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if(type != AccountType::Mojang) {
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return;
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}
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yggdrasilToken.extra["clientToken"] = clientToken;
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}
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void AccountData::generateClientTokenIfMissing() {
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if(yggdrasilToken.extra.contains("clientToken")) {
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return;
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}
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invalidateClientToken();
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}
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void AccountData::invalidateClientToken() {
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if(type != AccountType::Mojang) {
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return;
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}
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yggdrasilToken.extra["clientToken"] = QUuid::createUuid().toString().remove(QRegularExpression("[{-}]"));
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}
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QString AccountData::profileId() const {
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return minecraftProfile.id;
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}
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QString AccountData::profileName() const {
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if(minecraftProfile.name.size() == 0) {
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return QObject::tr("No profile (%1)").arg(accountDisplayString());
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}
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else {
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return minecraftProfile.name;
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}
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}
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QString AccountData::accountDisplayString() const {
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switch(type) {
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case AccountType::Mojang: {
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return userName();
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}
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case AccountType::Offline: {
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return QObject::tr("<Offline>");
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}
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case AccountType::MSA: {
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if(xboxApiToken.extra.contains("gtg")) {
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return xboxApiToken.extra["gtg"].toString();
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}
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return "Xbox profile missing";
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}
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default: {
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return "Invalid Account";
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}
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}
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}
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QString AccountData::lastError() const {
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return errorString;
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}
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