pollymc/launcher/minecraft/auth/AccountData.cpp
2022-03-19 12:46:56 +01:00

493 lines
16 KiB
C++

// 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 "AccountData.h"
#include <QJsonDocument>
#include <QJsonObject>
#include <QJsonArray>
#include <QDebug>
#include <QUuid>
namespace {
void tokenToJSONV3(QJsonObject &parent, Katabasis::Token t, const char * tokenName) {
if(!t.persistent) {
return;
}
QJsonObject out;
if(t.issueInstant.isValid()) {
out["iat"] = QJsonValue(t.issueInstant.toMSecsSinceEpoch() / 1000);
}
if(t.notAfter.isValid()) {
out["exp"] = QJsonValue(t.notAfter.toMSecsSinceEpoch() / 1000);
}
bool save = false;
if(!t.token.isEmpty()) {
out["token"] = QJsonValue(t.token);
save = true;
}
if(!t.refresh_token.isEmpty()) {
out["refresh_token"] = QJsonValue(t.refresh_token);
save = true;
}
if(t.extra.size()) {
out["extra"] = QJsonObject::fromVariantMap(t.extra);
save = true;
}
if(save) {
parent[tokenName] = out;
}
}
Katabasis::Token tokenFromJSONV3(const QJsonObject &parent, const char * tokenName) {
Katabasis::Token out;
auto tokenObject = parent.value(tokenName).toObject();
if(tokenObject.isEmpty()) {
return out;
}
auto issueInstant = tokenObject.value("iat");
if(issueInstant.isDouble()) {
out.issueInstant = QDateTime::fromMSecsSinceEpoch(((int64_t) issueInstant.toDouble()) * 1000);
}
auto notAfter = tokenObject.value("exp");
if(notAfter.isDouble()) {
out.notAfter = QDateTime::fromMSecsSinceEpoch(((int64_t) notAfter.toDouble()) * 1000);
}
auto token = tokenObject.value("token");
if(token.isString()) {
out.token = token.toString();
out.validity = Katabasis::Validity::Assumed;
}
auto refresh_token = tokenObject.value("refresh_token");
if(refresh_token.isString()) {
out.refresh_token = refresh_token.toString();
}
auto extra = tokenObject.value("extra");
if(extra.isObject()) {
out.extra = extra.toObject().toVariantMap();
}
return out;
}
void profileToJSONV3(QJsonObject &parent, MinecraftProfile p, const char * tokenName) {
if(p.id.isEmpty()) {
return;
}
QJsonObject out;
out["id"] = QJsonValue(p.id);
out["name"] = QJsonValue(p.name);
if(!p.currentCape.isEmpty()) {
out["cape"] = p.currentCape;
}
{
QJsonObject skinObj;
skinObj["id"] = p.skin.id;
skinObj["url"] = p.skin.url;
skinObj["variant"] = p.skin.variant;
if(p.skin.data.size()) {
skinObj["data"] = QString::fromLatin1(p.skin.data.toBase64());
}
out["skin"] = skinObj;
}
QJsonArray capesArray;
for(auto & cape: p.capes) {
QJsonObject capeObj;
capeObj["id"] = cape.id;
capeObj["url"] = cape.url;
capeObj["alias"] = cape.alias;
if(cape.data.size()) {
capeObj["data"] = QString::fromLatin1(cape.data.toBase64());
}
capesArray.push_back(capeObj);
}
out["capes"] = capesArray;
parent[tokenName] = out;
}
MinecraftProfile profileFromJSONV3(const QJsonObject &parent, const char * tokenName) {
MinecraftProfile out;
auto tokenObject = parent.value(tokenName).toObject();
if(tokenObject.isEmpty()) {
return out;
}
{
auto idV = tokenObject.value("id");
auto nameV = tokenObject.value("name");
if(!idV.isString() || !nameV.isString()) {
qWarning() << "mandatory profile attributes are missing or of unexpected type";
return MinecraftProfile();
}
out.name = nameV.toString();
out.id = idV.toString();
}
{
auto skinV = tokenObject.value("skin");
if(!skinV.isObject()) {
qWarning() << "skin is missing";
return MinecraftProfile();
}
auto skinObj = skinV.toObject();
auto idV = skinObj.value("id");
auto urlV = skinObj.value("url");
auto variantV = skinObj.value("variant");
if(!idV.isString() || !urlV.isString() || !variantV.isString()) {
qWarning() << "mandatory skin attributes are missing or of unexpected type";
return MinecraftProfile();
}
out.skin.id = idV.toString();
out.skin.url = urlV.toString();
out.skin.variant = variantV.toString();
// data for skin is optional
auto dataV = skinObj.value("data");
if(dataV.isString()) {
// TODO: validate base64
out.skin.data = QByteArray::fromBase64(dataV.toString().toLatin1());
}
else if (!dataV.isUndefined()) {
qWarning() << "skin data is something unexpected";
return MinecraftProfile();
}
}
{
auto capesV = tokenObject.value("capes");
if(!capesV.isArray()) {
qWarning() << "capes is not an array!";
return MinecraftProfile();
}
auto capesArray = capesV.toArray();
for(auto capeV: capesArray) {
if(!capeV.isObject()) {
qWarning() << "cape is not an object!";
return MinecraftProfile();
}
auto capeObj = capeV.toObject();
auto idV = capeObj.value("id");
auto urlV = capeObj.value("url");
auto aliasV = capeObj.value("alias");
if(!idV.isString() || !urlV.isString() || !aliasV.isString()) {
qWarning() << "mandatory skin attributes are missing or of unexpected type";
return MinecraftProfile();
}
Cape cape;
cape.id = idV.toString();
cape.url = urlV.toString();
cape.alias = aliasV.toString();
// data for cape is optional.
auto dataV = capeObj.value("data");
if(dataV.isString()) {
// TODO: validate base64
cape.data = QByteArray::fromBase64(dataV.toString().toLatin1());
}
else if (!dataV.isUndefined()) {
qWarning() << "cape data is something unexpected";
return MinecraftProfile();
}
out.capes[cape.id] = cape;
}
}
// current cape
{
auto capeV = tokenObject.value("cape");
if(capeV.isString()) {
auto currentCape = capeV.toString();
if(out.capes.contains(currentCape)) {
out.currentCape = currentCape;
}
}
}
out.validity = Katabasis::Validity::Assumed;
return out;
}
void entitlementToJSONV3(QJsonObject &parent, MinecraftEntitlement p) {
if(p.validity == Katabasis::Validity::None) {
return;
}
QJsonObject out;
out["ownsMinecraft"] = QJsonValue(p.ownsMinecraft);
out["canPlayMinecraft"] = QJsonValue(p.canPlayMinecraft);
parent["entitlement"] = out;
}
bool entitlementFromJSONV3(const QJsonObject &parent, MinecraftEntitlement & out) {
auto entitlementObject = parent.value("entitlement").toObject();
if(entitlementObject.isEmpty()) {
return false;
}
{
auto ownsMinecraftV = entitlementObject.value("ownsMinecraft");
auto canPlayMinecraftV = entitlementObject.value("canPlayMinecraft");
if(!ownsMinecraftV.isBool() || !canPlayMinecraftV.isBool()) {
qWarning() << "mandatory attributes are missing or of unexpected type";
return false;
}
out.canPlayMinecraft = canPlayMinecraftV.toBool(false);
out.ownsMinecraft = ownsMinecraftV.toBool(false);
out.validity = Katabasis::Validity::Assumed;
}
return true;
}
}
bool AccountData::resumeStateFromV2(QJsonObject data) {
// The JSON object must at least have a username for it to be valid.
if (!data.value("username").isString())
{
qCritical() << "Can't load Mojang account info from JSON object. Username field is missing or of the wrong type.";
return false;
}
QString userName = data.value("username").toString("");
QString clientToken = data.value("clientToken").toString("");
QString accessToken = data.value("accessToken").toString("");
QJsonArray profileArray = data.value("profiles").toArray();
if (profileArray.size() < 1)
{
qCritical() << "Can't load Mojang account with username \"" << userName << "\". No profiles found.";
return false;
}
struct AccountProfile
{
QString id;
QString name;
bool legacy;
};
QList<AccountProfile> profiles;
int currentProfileIndex = 0;
int index = -1;
QString currentProfile = data.value("activeProfile").toString("");
for (QJsonValue profileVal : profileArray)
{
index++;
QJsonObject profileObject = profileVal.toObject();
QString id = profileObject.value("id").toString("");
QString name = profileObject.value("name").toString("");
bool legacy = profileObject.value("legacy").toBool(false);
if (id.isEmpty() || name.isEmpty())
{
qWarning() << "Unable to load a profile" << name << "because it was missing an ID or a name.";
continue;
}
if(id == currentProfile) {
currentProfileIndex = index;
}
profiles.append({id, name, legacy});
}
auto & profile = profiles[currentProfileIndex];
type = AccountType::Mojang;
legacy = profile.legacy;
minecraftProfile.id = profile.id;
minecraftProfile.name = profile.name;
minecraftProfile.validity = Katabasis::Validity::Assumed;
yggdrasilToken.token = accessToken;
yggdrasilToken.extra["clientToken"] = clientToken;
yggdrasilToken.extra["userName"] = userName;
yggdrasilToken.validity = Katabasis::Validity::Assumed;
validity_ = minecraftProfile.validity;
return true;
}
bool AccountData::resumeStateFromV3(QJsonObject data) {
auto typeV = data.value("type");
if(!typeV.isString()) {
qWarning() << "Failed to parse account data: type is missing.";
return false;
}
auto typeS = typeV.toString();
if(typeS == "MSA") {
type = AccountType::MSA;
} else if (typeS == "Mojang") {
type = AccountType::Mojang;
} else if (typeS == "Offline") {
type = AccountType::Offline;
} else {
qWarning() << "Failed to parse account data: type is not recognized.";
return false;
}
if(type == AccountType::Mojang) {
legacy = data.value("legacy").toBool(false);
canMigrateToMSA = data.value("canMigrateToMSA").toBool(false);
}
if(type == AccountType::MSA) {
auto clientIDV = data.value("msa-client-id");
if (clientIDV.isString()) {
msaClientID = clientIDV.toString();
} // leave msaClientID empty if it doesn't exist or isn't a string
msaToken = tokenFromJSONV3(data, "msa");
userToken = tokenFromJSONV3(data, "utoken");
xboxApiToken = tokenFromJSONV3(data, "xrp-main");
mojangservicesToken = tokenFromJSONV3(data, "xrp-mc");
}
yggdrasilToken = tokenFromJSONV3(data, "ygg");
minecraftProfile = profileFromJSONV3(data, "profile");
if(!entitlementFromJSONV3(data, minecraftEntitlement)) {
if(minecraftProfile.validity != Katabasis::Validity::None) {
minecraftEntitlement.canPlayMinecraft = true;
minecraftEntitlement.ownsMinecraft = true;
minecraftEntitlement.validity = Katabasis::Validity::Assumed;
}
}
validity_ = minecraftProfile.validity;
return true;
}
QJsonObject AccountData::saveState() const {
QJsonObject output;
if(type == AccountType::Mojang) {
output["type"] = "Mojang";
if(legacy) {
output["legacy"] = true;
}
if(canMigrateToMSA) {
output["canMigrateToMSA"] = true;
}
}
else if (type == AccountType::MSA) {
output["type"] = "MSA";
output["msa-client-id"] = msaClientID;
tokenToJSONV3(output, msaToken, "msa");
tokenToJSONV3(output, userToken, "utoken");
tokenToJSONV3(output, xboxApiToken, "xrp-main");
tokenToJSONV3(output, mojangservicesToken, "xrp-mc");
}
else if (type == AccountType::Offline) {
output["type"] = "Offline";
}
tokenToJSONV3(output, yggdrasilToken, "ygg");
profileToJSONV3(output, minecraftProfile, "profile");
entitlementToJSONV3(output, minecraftEntitlement);
return output;
}
QString AccountData::userName() const {
if(type == AccountType::MSA) {
return QString();
}
return yggdrasilToken.extra["userName"].toString();
}
QString AccountData::accessToken() const {
return yggdrasilToken.token;
}
QString AccountData::clientToken() const {
if(type != AccountType::Mojang) {
return QString();
}
return yggdrasilToken.extra["clientToken"].toString();
}
void AccountData::setClientToken(QString clientToken) {
if(type != AccountType::Mojang) {
return;
}
yggdrasilToken.extra["clientToken"] = clientToken;
}
void AccountData::generateClientTokenIfMissing() {
if(yggdrasilToken.extra.contains("clientToken")) {
return;
}
invalidateClientToken();
}
void AccountData::invalidateClientToken() {
if(type != AccountType::Mojang) {
return;
}
yggdrasilToken.extra["clientToken"] = QUuid::createUuid().toString().remove(QRegExp("[{-}]"));
}
QString AccountData::profileId() const {
return minecraftProfile.id;
}
QString AccountData::profileName() const {
if(minecraftProfile.name.size() == 0) {
return QObject::tr("No profile (%1)").arg(accountDisplayString());
}
else {
return minecraftProfile.name;
}
}
QString AccountData::accountDisplayString() const {
switch(type) {
case AccountType::Mojang: {
return userName();
}
case AccountType::Offline: {
return userName();
}
case AccountType::MSA: {
if(xboxApiToken.extra.contains("gtg")) {
return xboxApiToken.extra["gtg"].toString();
}
return "Xbox profile missing";
}
default: {
return "Invalid Account";
}
}
}
QString AccountData::lastError() const {
return errorString;
}