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Throw exception on unexpected UUIDs

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games647
2020-05-15 15:14:14 +02:00
parent 0ad3a853b5
commit c74c8f5fee
1 changed files with 11 additions and 2 deletions
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13
bungee/src/main/java/com/github/games647/fastlogin/bungee/listener/ConnectListener.java
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@ -69,7 +69,7 @@ public class ConnectListener implements Listener {
//use the login event instead of the post login event in order to send the login success packet to the client
//with the offline uuid this makes it possible to set the skin then
final PendingConnection connection = loginEvent.getConnection();
InitialHandler initialHandler = (InitialHandler) connection;
final InitialHandler initialHandler = (InitialHandler) connection;
final String username = initialHandler.getLoginRequest().getData();
if (connection.isOnlineMode()) {
@ -92,8 +92,17 @@ public class ConnectListener implements Listener {
idField.setAccessible(true);
idField.set(connection, offlineUUID);
final String format = "Overriding UUID from {} to {} (based of {}) on {}";
String format = "Overridden UUID from {} to {} (based of {}) on {}";
plugin.getLog().info(format, oldPremiumId, offlineUUID, username, connection);
// check if the field was actually set correctly
UUID offlineResult = (UUID) idField.get(connection);
UUID connectionResult = connection.getUniqueId();
if (!offlineUUID.equals(offlineResult)
|| !offlineUUID.equals(connectionResult)) {
throw new RuntimeException("Inconsistent UUIDs: expected " + offlineUUID
+ " got (Reflection, Connection)" + offlineResult + " and " + connection);
}
} catch (NoSuchFieldException | IllegalAccessException ex) {
plugin.getLog().error("Failed to set offline uuid of {}", username, ex);
}