src/de/steamwar/bungeecore/commands/PunishmentCommand.java

@@ -92,7 +92,7 @@ public class PunishmentCommand {
 
     public static Timestamp parseTime(CommandSender sender, String arg) {
         if (arg.equalsIgnoreCase("perma")) {
-            return Timestamp.from(Instant.ofEpochSecond(946674800));
+            return Punishment.PERMA_TIME;
         } else {
             SimpleDateFormat dateFormat = new SimpleDateFormat("dd.MM.yyyy_HH:mm");
             try {

src/de/steamwar/bungeecore/listeners/ChatListener.java

@@ -48,7 +48,7 @@ public class ChatListener extends BasicListener {
     public void onChatEvent(ChatEvent e){
         if(e.getMessage().contains("jndi:ldap")) {
             e.setCancelled(true);
-            SteamwarUser.get(((ProxiedPlayer) e.getSender()).getUniqueId()).punish(Punishment.PunishmentType.Ban, Timestamp.from(Instant.ofEpochSecond(946674800)), "Versuchte Exploit-Ausnutzung", 0, true);
+            SteamwarUser.get(((ProxiedPlayer) e.getSender()).getUniqueId()).punishPerma(Punishment.PunishmentType.Ban, "Versuchte Exploit-Ausnutzung", 0);
             return;
         }
 

src/de/steamwar/bungeecore/listeners/mods/Fabric.java

@@ -182,11 +182,9 @@ public class Fabric extends BasicListener {
     }
 
     public void banPlayer(SteamwarUser user, ProxiedPlayer player) {
-        user.punish(Punishment.PunishmentType.Ban,
-                Timestamp.from(Instant.now()),
+        user.punishPerma(Punishment.PunishmentType.Ban,
                 Message.parse("MODIFICATION_BAN_MESSAGE", player, user.getUserName(), user.getId()),
-                0,
-                true);
+                0);
         BungeeCore.log(Level.SEVERE,Message.parse("MODIFICATION_BAN_LOG", player, user.getUserName()));
     }
 

src/de/steamwar/bungeecore/sql/Punishment.java

@@ -25,6 +25,7 @@ import lombok.Getter;
 import java.sql.ResultSet;
 import java.sql.SQLException;
 import java.sql.Timestamp;
+import java.time.Instant;
 import java.time.format.DateTimeFormatter;
 import java.util.*;
 
@@ -35,6 +36,8 @@ public class Punishment {
     private static final Statement getAllPunishments = new Statement("SELECT * FROM Punishments WHERE UserId = ? ORDER BY `PunishmentId` DESC");
     private static final Statement insert = new Statement("INSERT INTO Punishments (UserId, Punisher, Type, Reason, EndTime, Perma) VALUES (?, ?, ?, ?, ?, ?)");
 
+    public static final Timestamp PERMA_TIME = Timestamp.from(Instant.ofEpochSecond(946674800));
+
     public static Punishment getPunishmentOfPlayer(int user, PunishmentType type) {
         return getPunishment.select(rs -> {
             if (rs.next())
@@ -62,6 +65,9 @@ public class Punishment {
     }
 
     public static Punishment createPunishment(int user, int executor, PunishmentType type, String reason, Timestamp endTime, boolean perma) {
+        if(perma && !endTime.equals(PERMA_TIME)) {
+            throw new IllegalArgumentException("Permanent punishments must have an end time of `Punishment.PERMA_TIME`");
+        }
         insert.update(user, executor, type.name(), reason, endTime, perma);
         return getPunishmentOfPlayer(user, type);
     }

src/de/steamwar/bungeecore/sql/SteamwarUser.java

@@ -297,6 +297,10 @@ public class SteamwarUser {
         return true;
     }
 
+    public void punishPerma(Punishment.PunishmentType type, String reason, int from) {
+        punish(type, Punishment.PERMA_TIME, reason, from, true);
+    }
+
     public void punish(Punishment.PunishmentType punishment, Timestamp time, String banReason, int from, boolean perma) {
         punishments.remove(punishment);
         punishments.put(punishment, Punishment.createPunishment(id, from, punishment, banReason, time, perma));