add offline account supportHEADtom

I added the offline patch from my MultiMC repo[1]. The only change I
made compared to my fork was adding an extra sentence in the account
adder dialog that the password needs to be blank for an offline
account.

Signed-off-by: Shokara <shokara@snopyta.org>

1 files changed, 15 insertions, 0 deletions

diff --git a/api/logic/minecraft/auth/MojangAccount.cpp b/api/logic/minecraft/auth/MojangAccount.cpp
index 657e0009..28f31266 100644
--- a/api/logic/minecraft/auth/MojangAccount.cpp
+++ b/api/logic/minecraft/auth/MojangAccount.cpp
@@ -19,6 +19,7 @@
 #include "flows/RefreshTask.h"
 #include "flows/AuthenticateTask.h"
 
+#include <QCryptographicHash>
 #include <QUuid>
 #include <QJsonObject>
 #include <QJsonArray>
@@ -103,6 +104,20 @@ MojangAccountPtr MojangAccount::createFromUsername(const QString &username)
     return account;
 }
 
+MojangAccountPtr MojangAccount::createFromUsernameOffline(const QString &username)
+{
+    MojangAccountPtr account(new MojangAccount());
+    account->m_clientToken = "ff64ff64ff64ff64ff64ff64ff64ff64";
+    account->m_accessToken = "ff64ff64ff64ff64ff64ff64ff64ff64";
+    account->m_username = username;
+    QList<AccountProfile> profiles;
+    QString uuid = QCryptographicHash::hash(username.toLocal8Bit(), QCryptographicHash::Md5).toHex();
+    profiles.append({uuid, username, false});
+    account->m_profiles = profiles;
+    account->setCurrentProfile(uuid);
+    return account;
+}
+
 QJsonObject MojangAccount::saveToJson() const
 {
     QJsonObject json;