From c5d9944993832f16e76a9a63a402665c5321267b Mon Sep 17 00:00:00 2001
From: Sefa Eyeoglu <contact@scrumplex.net>
Date: Fri, 18 Feb 2022 12:27:57 +0100
Subject: [PATCH] feat(accounts): interrupt MSAStep when client ID doesn't
 match

---
 launcher/minecraft/auth/steps/MSAStep.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/launcher/minecraft/auth/steps/MSAStep.cpp b/launcher/minecraft/auth/steps/MSAStep.cpp
index 7d28c2c8..207d9373 100644
--- a/launcher/minecraft/auth/steps/MSAStep.cpp
+++ b/launcher/minecraft/auth/steps/MSAStep.cpp
@@ -49,6 +49,10 @@ void MSAStep::rehydrate() {
 void MSAStep::perform() {
     switch(m_action) {
         case Refresh: {
+            if (m_data->msaClientID != m_clientId) {
+                emit hideVerificationUriAndCode();
+                emit finished(AccountTaskState::STATE_DISABLED, tr("Microsoft user authentication failed - client identification has changed."));
+            }
             m_oauth2->refresh();
             return;
         }