From 6ede3c13b2bcda315e65dd78f2bfd729bc8b699b Mon Sep 17 00:00:00 2001
From: Zakhar Afonin <afoninz@localhost.localdomain>
Date: Fri, 8 May 2020 21:07:34 +0300
Subject: [PATCH] base patch

---
 api/logic/minecraft/MinecraftInstance.cpp |  3 ++-
 api/logic/minecraft/auth/AuthSession.cpp  |  6 ++++++
 application/LaunchController.cpp          | 22 +++++++++++++++++++++-
 3 files changed, 29 insertions(+), 2 deletions(-)

diff --git a/api/logic/minecraft/MinecraftInstance.cpp b/api/logic/minecraft/MinecraftInstance.cpp
index 28073edf..912a3829 100644
--- a/api/logic/minecraft/MinecraftInstance.cpp
+++ b/api/logic/minecraft/MinecraftInstance.cpp
@@ -821,7 +821,8 @@ shared_qobject_ptr<LaunchTask> MinecraftInstance::createLaunchTask(AuthSessionPt
     }
     else
     {
-        process->appendStep(new Update(pptr, Net::Mode::Offline));
+        process->appendStep(new Update(pptr, Net::Mode::Online));
+        // TODO: Separate "cracked" logins (offline from auth servers) from genuine offline logins (no internet)
     }
 
     // if there are any jar mods
diff --git a/api/logic/minecraft/auth/AuthSession.cpp b/api/logic/minecraft/auth/AuthSession.cpp
index 4e858796..4d54a59c 100644
--- a/api/logic/minecraft/auth/AuthSession.cpp
+++ b/api/logic/minecraft/auth/AuthSession.cpp
@@ -24,6 +24,12 @@ bool AuthSession::MakeOffline(QString offline_playername)
         return false;
     }
     session = "-";
+    // Filling session with dummy data
+    client_token = "ff64ff64ff64ff64ff64ff64ff64ff64";
+    access_token = "ff64ff64ff64ff64ff64ff64ff64ff64";
+    // TODO: Fetch actual UUID's from Mojang API so they match with real ones
+    uuid = QString(QCryptographicHash::hash(offline_playername.toLocal8Bit(), QCryptographicHash::Md5).toHex());
+    
     player_name = offline_playername;
     status = PlayableOffline;
     return true;
diff --git a/application/LaunchController.cpp b/application/LaunchController.cpp
index bebc3db1..43f380a9 100644
--- a/application/LaunchController.cpp
+++ b/application/LaunchController.cpp
@@ -36,6 +36,26 @@ void LaunchController::login()
 {
     JavaCommon::checkJVMArgs(m_instance->settings()->get("JvmArgs").toString(), m_parentWidget);
 
+    // Mojang account login bypass
+    QString usedname = "Player";
+    QString name = QInputDialog::getText(m_parentWidget, tr("Player name"),
+                                         tr("Choose your offline mode player name."),
+                                         QLineEdit::Normal, "Player", &ok);
+    if (!ok)
+    {
+        return;
+    }
+    if (name.length())
+    {
+        usedname = name;
+    }
+    m_session = std::make_shared<AuthSession>();
+    m_session->MakeOffline(usedname);
+
+    launchInstance();
+
+    // Original login code
+    /*
     // Find an account to use.
     std::shared_ptr<MojangAccountList> accounts = MMC->accounts();
     MojangAccountPtr account = accounts->activeAccount();
@@ -182,7 +202,7 @@ void LaunchController::login()
         }
         }
     }
-    emitFailed(tr("Failed to launch."));
+    emitFailed(tr("Failed to launch."));*/
 }
 
 void LaunchController::launchInstance()