Added support for wildcard domains

Author: Lenni0451

src/main/java/net/lenni0451/miniconnect/server/LobbyServerHandler.java

@@ -13,8 +13,10 @@
 import net.lenni0451.miniconnect.utils.ChannelUtils;
 import net.raphimc.netminecraft.constants.ConnectionState;
 import net.raphimc.netminecraft.packet.Packet;
+import net.raphimc.viaproxy.util.WildcardDomainParser;
 import net.raphimc.viaproxy.util.logging.Logger;
 
+import java.net.InetSocketAddress;
 import java.nio.channels.ClosedChannelException;
 import java.util.UUID;
 import java.util.concurrent.TimeUnit;
@@ -44,6 +46,7 @@ public void loadPlayerConfig(final Channel channel, final UUID uuid) {
         this.playerConfig.handshakeAddress = handshakeData.host();
         this.playerConfig.handshakePort = handshakeData.port();
         this.playerConfig.clientVersion = handshakeData.clientVersion();
+        this.checkHandshakeAddress();
     }
 
     public PlayerConfig getPlayerConfig() {
@@ -89,4 +92,25 @@ public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) {
         ctx.close();
     }
 
+    private void checkHandshakeAddress() {
+        String handshakeAddress = this.playerConfig.handshakeAddress;
+        if (handshakeAddress.toLowerCase().contains("f2.viaproxy.")) { // Format 2: address.<address>.port.<port>.version.<version>.f2.viaproxy.hostname
+            WildcardDomainParser.ParsedDomain parsedDomain = WildcardDomainParser.parseFormat2(handshakeAddress);
+            if (parsedDomain != null && parsedDomain.version() != null) {
+                InetSocketAddress socketAddress = (InetSocketAddress) parsedDomain.address();
+                this.playerConfig.serverAddress = socketAddress.getHostString();
+                this.playerConfig.serverPort = socketAddress.getPort();
+                this.playerConfig.targetVersion = parsedDomain.version();
+            }
+        } else if (handshakeAddress.toLowerCase().contains("viaproxy.")) { // Format 1: address_port_version.viaproxy.hostname
+            WildcardDomainParser.ParsedDomain parsedDomain = WildcardDomainParser.parseFormat1(handshakeAddress);
+            if (parsedDomain != null && parsedDomain.version() != null) {
+                InetSocketAddress socketAddress = (InetSocketAddress) parsedDomain.address();
+                this.playerConfig.serverAddress = socketAddress.getHostString();
+                this.playerConfig.serverPort = socketAddress.getPort();
+                this.playerConfig.targetVersion = parsedDomain.version();
+            }
+        }
+    }
+
 }

src/main/java/net/lenni0451/miniconnect/server/states/play/Tutorial.java

@@ -55,7 +55,13 @@ After setting all required options (server address, version) you can connect by
                     When on a server, you can type §2/disconnect§r in the chat to disconnect.
                     After disconnecting, you will automatically be placed into the lobby again.
                     All your settings will be retained until you disconnect.
-                    """
+                    """,
+            """
+                    §6§l§oWildcard domains
+                    
+                    MiniConnect supports the same wildcard domain format as ViaProxy itself.
+                    Example: §2example.com_25565_1.8.viaproxy.example.com
+                    This autofills the server address and version automatically."""
     );
 
     private static FilterableComponent[] buildTutorial(final String... pages) {