1 files changed, 98 insertions, 0 deletions
diff --git a/meshmc/launcher/minecraft/auth/steps/MeshMCLoginStep.cpp b/meshmc/launcher/minecraft/auth/steps/MeshMCLoginStep.cpp
new file mode 100644
index 0000000000..19afcda3fc
--- /dev/null
+++ b/meshmc/launcher/minecraft/auth/steps/MeshMCLoginStep.cpp
@@ -0,0 +1,98 @@
+/* SPDX-FileCopyrightText: 2026 Project Tick
+ * SPDX-FileContributor: Project Tick
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ *   MeshMC - A Custom Launcher for Minecraft
+ *   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, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   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/>.
+ */
+
+#include "MeshMCLoginStep.h"
+
+#include <QNetworkRequest>
+
+#include "minecraft/auth/AuthRequest.h"
+#include "minecraft/auth/Parsers.h"
+#include "minecraft/auth/AccountTask.h"
+
+MeshMCLoginStep::MeshMCLoginStep(AccountData* data) : AuthStep(data) {}
+
+MeshMCLoginStep::~MeshMCLoginStep() noexcept = default;
+
+QString MeshMCLoginStep::describe()
+{
+	return tr("Accessing Mojang services.");
+}
+
+void MeshMCLoginStep::perform()
+{
+	auto requestURL = "https://api.minecraftservices.com/launcher/login";
+	auto uhs = m_data->mojangservicesToken.extra["uhs"].toString();
+	auto xToken = m_data->mojangservicesToken.token;
+
+	QString mc_auth_template = R"XXX(
+{
+    "xtoken": "XBL3.0 x=%1;%2",
+    "platform": "PC_LAUNCHER"
+}
+)XXX";
+	auto requestBody = mc_auth_template.arg(uhs, xToken);
+
+	QNetworkRequest request = QNetworkRequest(QUrl(requestURL));
+	request.setHeader(QNetworkRequest::ContentTypeHeader, "application/json");
+	request.setRawHeader("Accept", "application/json");
+	AuthRequest* requestor = new AuthRequest(this);
+	connect(requestor, &AuthRequest::finished, this,
+			&MeshMCLoginStep::onRequestDone);
+	requestor->post(request, requestBody.toUtf8());
+	qDebug() << "Getting Minecraft access token...";
+}
+
+void MeshMCLoginStep::rehydrate()
+{
+	// TODO: check the token validity
+}
+
+void MeshMCLoginStep::onRequestDone(QNetworkReply::NetworkError error,
+									QByteArray data,
+									QList<QNetworkReply::RawHeaderPair> headers)
+{
+	auto requestor = qobject_cast<AuthRequest*>(QObject::sender());
+	requestor->deleteLater();
+
+	qDebug() << data;
+	if (error != QNetworkReply::NoError) {
+		qWarning() << "Reply error:" << error;
+#ifndef NDEBUG
+		qDebug() << data;
+#endif
+		emit finished(AccountTaskState::STATE_FAILED_SOFT,
+					  tr("Failed to get Minecraft access token: %1")
+						  .arg(requestor->errorString_));
+		return;
+	}
+
+	if (!Parsers::parseMojangResponse(data, m_data->yggdrasilToken)) {
+		qWarning() << "Could not parse login_with_xbox response...";
+#ifndef NDEBUG
+		qDebug() << data;
+#endif
+		emit finished(
+			AccountTaskState::STATE_FAILED_SOFT,
+			tr("Failed to parse the Minecraft access token response."));
+		return;
+	}
+	emit finished(AccountTaskState::STATE_WORKING, tr(""));
+}