Config line to prevent ip addresses to be logged for extra privacy

src/main/java/ua/nanit/limbo/configuration/LimboConfig.java

@@ -53,6 +53,7 @@ public final class LimboConfig {
     private boolean useTitle;
     private boolean usePlayerList;
     private boolean useHeaderAndFooter;
+    private boolean logPlayersIp;
 
     private String brandName;
     private String joinMessage;
@@ -91,6 +92,7 @@ public void load() throws Exception {
 
         address = conf.node("bind").get(SocketAddress.class);
         maxPlayers = conf.node("maxPlayers").getInt();
+        logPlayersIp = conf.node("logPlayersIp").getBoolean();
         pingData = conf.node("ping").get(PingData.class);
         dimensionType = conf.node("dimension").getString("the_end");
         if (dimensionType.equalsIgnoreCase("nether")) {
@@ -201,6 +203,10 @@ public boolean isUseBrandName() {
         return useBrandName;
     }
 
+    public boolean isLogPlayersIp() {
+        return logPlayersIp;
+    }
+
     public boolean isUseJoinMessage() {
         return useJoinMessage;
     }

src/main/java/ua/nanit/limbo/server/Connections.java

@@ -27,9 +27,11 @@
 
 public final class Connections {
 
+    private final LimboServer server;
     private final Map<UUID, ClientConnection> connections;
 
-    public Connections() {
+    public Connections(LimboServer server) {
+        this.server = server;
         connections = new ConcurrentHashMap<>();
     }
 
@@ -43,8 +45,9 @@ public int getCount() {
 
     public void addConnection(ClientConnection connection) {
         connections.put(connection.getUuid(), connection);
+        String address = server.getConfig().isLogPlayersIp() ? connection.getAddress().toString() : "<redacted>";
         Log.info("Player %s connected (%s) [%s]", connection.getUsername(),
-                connection.getAddress(), connection.getClientVersion());
+                address, connection.getClientVersion());
     }
 
     public void removeConnection(ClientConnection connection) {

src/main/java/ua/nanit/limbo/server/LimboServer.java

@@ -83,7 +83,7 @@ public void start() throws Exception {
         packetHandler = new PacketHandler(this);
         dimensionRegistry = new DimensionRegistry(this);
         dimensionRegistry.load(config.getDimensionType());
-        connections = new Connections();
+        connections = new Connections(this);
 
         PacketSnapshots.initPackets(this);
 

src/main/resources/settings.yml

@@ -11,6 +11,9 @@ bind:
 # Set -1 to make it infinite
 maxPlayers: 100
 
+# Whether to log ip addresses from players
+logPlayersIp: true
+
 # Server's data in servers list
 ping:
   description: '{"text": "&9NanoLimbo"}'