Remove extra bits after \u0000 in join addresses

Affects issues:
- Fixed #2710

Plan/bukkit/src/main/java/com/djrapitops/plan/gathering/listeners/bukkit/PlayerOnlineListener.java

@@ -83,10 +83,13 @@ public class PlayerOnlineListener implements Listener {
             ServerUUID serverUUID = serverInfo.getServerUUID();
             boolean banned = PlayerLoginEvent.Result.KICK_BANNED == event.getResult();
 
-            String joinAddress = event.getHostname();
-            if (!joinAddress.isEmpty()) {
-                joinAddress = joinAddress.substring(0, joinAddress.lastIndexOf(':'));
-                joinAddressCache.put(playerUUID, joinAddress);
+            String address = event.getHostname();
+            if (!address.isEmpty()) {
+                address = address.substring(0, address.lastIndexOf(':'));
+                if (address.contains("\u0000")) {
+                    address = address.substring(0, address.indexOf('\u0000'));
+                }
+                joinAddressCache.put(playerUUID, address);
             }
             dbSystem.getDatabase().executeTransaction(new BanStatusTransaction(playerUUID, serverUUID, banned));
         } catch (Exception e) {

Plan/fabric/src/main/java/net/playeranalytics/plan/gathering/listeners/fabric/PlayerOnlineListener.java

@@ -118,7 +118,11 @@ public class PlayerOnlineListener implements FabricListener {
     private void onHandshake(HandshakeC2SPacket packet) {
         try {
             if (packet.getIntendedState() == NetworkState.LOGIN) {
-                joinAddress.set(packet.getAddress());
+                String address = packet.getAddress();
+                if (address != null && address.contains("\u0000")) {
+                    address = address.substring(0, address.indexOf('\u0000'));
+                }
+                joinAddress.set(address);
             }
         } catch (Exception e) {
             errorLogger.error(e, ErrorContext.builder().related(getClass(), "onHandshake").build());

Plan/sponge/src/main/java/com/djrapitops/plan/gathering/domain/SpongePlayerData.java

@@ -61,7 +61,11 @@ public class SpongePlayerData implements PlatformPlayerData {
 
     @Override
     public Optional<String> getJoinAddress() {
-        return Optional.of(player.connection().virtualHost().getHostString());
+        String address = player.connection().virtualHost().getHostString();
+        if (address.contains("\u0000")) {
+            address = address.substring(0, address.indexOf('\u0000'));
+        }
+        return Optional.of(address);
     }
 
     @Override

Plan/velocity/src/main/java/com/djrapitops/plan/gathering/domain/VelocityPlayerData.java

@@ -48,6 +48,15 @@ public class VelocityPlayerData implements PlatformPlayerData {
 
     @Override
     public Optional<String> getJoinAddress() {
-        return player.getVirtualHost().map(InetSocketAddress::getHostString);
+        return player.getVirtualHost()
+                .map(InetSocketAddress::getHostString)
+                .map(this::removeExtra);
+    }
+
+    private String removeExtra(String address) {
+        if (address.contains("\u0000")) {
+            return address.substring(0, address.indexOf('\u0000'));
+        }
+        return address;
     }
 }