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// SPDX-License-Identifier: GPL-3.0-only
// SPDX-FileCopyrightText: 2026 Project Tick
// SPDX-FileContributor: Project Tick Team
/*
* ProjT Launcher - Minecraft Launcher
* Copyright (C) 2026 Project Tick
*
* 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, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "XboxSecurityTokenStep.hpp"
#include <QJsonDocument>
#include <QJsonObject>
#include <QJsonParseError>
#include <QNetworkRequest>
#include "Application.h"
#include "minecraft/Logging.h"
#include "net/NetUtils.h"
#include "net/RawHeaderProxy.h"
namespace projt::minecraft::auth
{
namespace
{
constexpr auto kXstsAuthorizeUrl = "https://xsts.auth.xboxlive.com/xsts/authorize";
/**
* Parse Xbox token response.
*/
[[nodiscard]] bool parseXboxTokenResponse(const QByteArray& data, AuthToken& token)
{
QJsonParseError err;
const auto doc = QJsonDocument::fromJson(data, &err);
if (err.error != QJsonParseError::NoError || !doc.isObject())
{
qWarning() << "Failed to parse XSTS response:" << err.errorString();
return false;
}
const auto obj = doc.object();
token.issuedAt = QDateTime::fromString(obj.value(QStringLiteral("IssueInstant")).toString(), Qt::ISODate);
token.expiresAt = QDateTime::fromString(obj.value(QStringLiteral("NotAfter")).toString(), Qt::ISODate);
token.accessToken = obj.value(QStringLiteral("Token")).toString();
const auto displayClaims = obj.value(QStringLiteral("DisplayClaims")).toObject();
const auto xui = displayClaims.value(QStringLiteral("xui")).toArray();
if (!xui.isEmpty())
{
const auto firstClaim = xui.first().toObject();
token.metadata.insert(QStringLiteral("uhs"), firstClaim.value(QStringLiteral("uhs")).toString());
}
token.validity = TokenValidity::Certain;
return !token.accessToken.isEmpty();
}
/**
* XSTS error code messages.
* See: https://wiki.vg/Microsoft_Authentication_Scheme#Authenticate_with_XSTS
*/
struct XstsErrorInfo
{
int64_t code;
const char* message;
};
constexpr std::array kXstsErrors = {
XstsErrorInfo{ 2148916227, "This Microsoft account was banned by Xbox." },
XstsErrorInfo{ 2148916229, "This account is restricted. Please check parental controls." },
XstsErrorInfo{ 2148916233, "This account does not have an Xbox Live profile. Purchase the game first." },
XstsErrorInfo{ 2148916234, "Please accept Xbox Terms of Service and try again." },
XstsErrorInfo{ 2148916235, "Xbox Live is not available in your region." },
XstsErrorInfo{ 2148916236, "This account requires age verification." },
XstsErrorInfo{ 2148916237, "This account has reached its playtime limit." },
XstsErrorInfo{ 2148916238, "This account is underaged and not linked to a family." }
};
} // namespace
XboxSecurityTokenStep::XboxSecurityTokenStep(Credentials& credentials, XstsTarget target) noexcept
: Step(credentials),
m_target(target)
{}
QString XboxSecurityTokenStep::description() const
{
return tr("Getting authorization for %1 services.").arg(targetName());
}
QString XboxSecurityTokenStep::relyingParty() const
{
switch (m_target)
{
case XstsTarget::XboxLive: return QStringLiteral("http://xboxlive.com");
case XstsTarget::MinecraftServices: return QStringLiteral("rp://api.minecraftservices.com/");
}
Q_UNREACHABLE();
}
QString XboxSecurityTokenStep::targetName() const
{
switch (m_target)
{
case XstsTarget::XboxLive: return QStringLiteral("Xbox Live");
case XstsTarget::MinecraftServices: return QStringLiteral("Minecraft");
}
Q_UNREACHABLE();
}
AuthToken& XboxSecurityTokenStep::targetToken()
{
switch (m_target)
{
case XstsTarget::XboxLive: return m_credentials.xboxServiceToken;
case XstsTarget::MinecraftServices: return m_credentials.minecraftServicesToken;
}
Q_UNREACHABLE();
}
void XboxSecurityTokenStep::execute()
{
const QString requestBody = QStringLiteral(R"({
"Properties": {
"SandboxId": "RETAIL",
"UserTokens": ["%1"]
},
"RelyingParty": "%2",
"TokenType": "JWT"
})")
.arg(m_credentials.xboxUserToken.accessToken, relyingParty());
const QUrl url(QString::fromLatin1(kXstsAuthorizeUrl));
const auto headers =
QList<Net::HeaderPair>{ { "Content-Type", "application/json" }, { "Accept", "application/json" } };
m_response = std::make_shared<QByteArray>();
m_request = Net::Upload::makeByteArray(url, m_response, requestBody.toUtf8());
m_request->addHeaderProxy(new Net::RawHeaderProxy(headers));
m_task = NetJob::Ptr::create(QStringLiteral("XstsAuthorize"), APPLICATION->network());
m_task->setAskRetry(false);
m_task->addNetAction(m_request);
connect(m_task.get(), &Task::finished, this, &XboxSecurityTokenStep::onRequestCompleted);
m_task->start();
qDebug() << "Getting XSTS token for" << relyingParty();
}
void XboxSecurityTokenStep::onRequestCompleted()
{
qCDebug(authCredentials()) << *m_response;
if (m_request->error() != QNetworkReply::NoError)
{
qWarning() << "XSTS request error:" << m_request->error();
if (Net::isApplicationError(m_request->error()))
{
if (handleStsError())
{
return;
}
emit completed(StepResult::SoftFailure,
tr("Failed to get %1 authorization: %2").arg(targetName(), m_request->errorString()));
}
else
{
emit completed(StepResult::Offline,
tr("Failed to get %1 authorization: %2").arg(targetName(), m_request->errorString()));
}
return;
}
AuthToken token;
if (!parseXboxTokenResponse(*m_response, token))
{
emit completed(StepResult::SoftFailure, tr("Could not parse %1 authorization response.").arg(targetName()));
return;
}
// Verify user hash matches
const QString responseUhs = token.metadata.value(QStringLiteral("uhs")).toString();
if (responseUhs != m_credentials.xboxUserHash())
{
emit completed(StepResult::SoftFailure, tr("User hash mismatch in %1 authorization.").arg(targetName()));
return;
}
targetToken() = token;
emit completed(StepResult::Continue, tr("Got %1 authorization.").arg(targetName()));
}
bool XboxSecurityTokenStep::handleStsError()
{
if (m_request->error() != QNetworkReply::AuthenticationRequiredError)
{
return false;
}
QJsonParseError jsonError;
const auto doc = QJsonDocument::fromJson(*m_response, &jsonError);
if (jsonError.error != QJsonParseError::NoError)
{
emit completed(StepResult::SoftFailure,
tr("Cannot parse XSTS error response: %1").arg(jsonError.errorString()));
return true;
}
const auto obj = doc.object();
const auto errorCode = static_cast<int64_t>(obj.value(QStringLiteral("XErr")).toDouble());
if (errorCode == 0)
{
emit completed(StepResult::SoftFailure, tr("XSTS error response missing error code."));
return true;
}
// Look up error message
for (const auto& [code, message] : kXstsErrors)
{
if (code == errorCode)
{
emit completed(StepResult::SoftFailure, tr(message));
return true;
}
}
emit completed(StepResult::SoftFailure, tr("Unknown XSTS error: %1").arg(errorCode));
return true;
}
} // namespace projt::minecraft::auth
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