Start implementing server-side functionality.

.gitignore

@@ -49,4 +49,6 @@ build
 *.lock
 *.hive
 
-*.g.dart
+*.g.dart
+
+out

Dockerfile

@@ -0,0 +1,27 @@
+FROM debian:latest AS BUILDER
+# Obtain the Flutter SDK
+WORKDIR /app
+COPY . .
+
+WORKDIR /
+RUN apt-get update
+RUN apt-get upgrade -y
+RUN apt-get install -y git wget curl unzip xz-utils zip libglu1-mesa clang cmake ninja-build pkg-config libgtk3-dev liblzma-dev libstdc++-12-dev
+
+RUN curl -O flutter.tar.xz https://storage.googleapis.com/flutter_infra_release/releases/stable/linux/flutter_linux_3.22.1-stable.tar.xz
+RUN tar -xvf flutter.tar.xz
+
+WORKDIR /flutter
+RUN export PATH=$PATH:/flutter/bin
+
+WORKDIR /app
+RUN /bin/bash /app/compile.sh
+
+FROM debian:latest
+WORKDIR /app
+RUN apt-get update
+RUN apt-get upgrade -y
+
+COPY --from=BUILDER /app/out/server /app/server
+
+ENTRYPOINT ["/app/server"]

bin/server.dart

@@ -1,6 +1,9 @@
 import 'package:libac_flutter/packets/packets.dart';
+import 'package:servermanager/packets/ClientPackets.dart';
 
 void main() async {
+  ClientPackets.register();
+
   await PacketServer.start();
 
   print("Server stopping");

compile.sh

@@ -1,4 +1,11 @@
 #!/bin/bash
 
+rm -rf out/*
+if [ ! -d out ]
+then
+  mkdir out
+fi
+
 flutter build linux
-dart build
+dart compile exe -o out/server bin/server.dart
+cp -rv build/linux/x64/release/bundle out/client

lib/main.dart

@@ -52,10 +52,11 @@ class ServerPage extends StatelessWidget {
           backgroundColor: Constants.TITLEBAR_COLOR,
         ),
         floatingActionButton: ElevatedButton(
-          onPressed: () {
+          onPressed: () async {
             // Send login packet to server
             Settings settings = Settings();
-            settings.client = PacketClient(serverIP.text);
+            settings.client = PacketClient();
+            await settings.client!.startConnect(serverIP.text);
           },
           child: Text("Login"),
         ),

lib/packets/ClientPackets.dart

@@ -0,0 +1,93 @@
+import 'dart:convert';
+
+import 'package:libac_flutter/nbt/NbtUtils.dart';
+import 'package:libac_flutter/nbt/Tag.dart';
+import 'package:libac_flutter/nbt/impl/CompoundTag.dart';
+import 'package:libac_flutter/nbt/impl/StringTag.dart';
+import 'package:libac_flutter/packets/packets.dart';
+import 'package:libac_flutter/utils/uuid/NbtUUID.dart';
+import 'package:libac_flutter/utils/uuid/UUID.dart';
+import 'package:servermanager/settings.dart';
+
+class ClientPackets {
+  static void register() {
+    PacketRegistry reg = PacketRegistry();
+    reg.register(C2SLoginPacket(), () {
+      return C2SLoginPacket();
+    });
+  }
+}
+
+class C2SLoginPacket implements IPacket {
+  String username = "";
+  String password = "";
+
+  @override
+  void decodeJson(String params) {
+    fromJson(json.decode(params));
+  }
+
+  @override
+  void decodeTag(Tag tag) {
+    CompoundTag ct = tag.asCompoundTag();
+    username = ct.get("username")!.asString();
+    password = ct.get("password")!.asString();
+  }
+
+  @override
+  NetworkDirection direction() {
+    return NetworkDirection.ClientToServer;
+  }
+
+  @override
+  String encodeJson() {
+    return json.encode(toJson());
+  }
+
+  @override
+  Tag encodeTag() {
+    CompoundTag tag = CompoundTag();
+    tag.put("username", StringTag.valueOf(username));
+    tag.put("password", StringTag.valueOf(password));
+
+    return tag;
+  }
+
+  @override
+  void fromJson(Map<String, dynamic> js) {
+    username = js['username'] as String;
+    password = js['password'] as String;
+  }
+
+  @override
+  String getChannelID() {
+    return "Login";
+  }
+
+  @override
+  Future<PacketResponse> handleServerPacket() async {
+    S2CResponse response = S2CResponse();
+
+    // Attempt to log in.
+    Settings settings = Settings();
+    if (settings.serverLoginCreds.username == username &&
+        settings.serverLoginCreds.password == password) {
+      NbtUtils.writeBoolean(response.contents, "valid", true);
+      settings.remoteLoginToken = UUID.generate(4);
+      NbtUtils.writeUUID(response.contents, "token",
+          NbtUUID.fromUUID(settings.remoteLoginToken));
+    } else {
+      NbtUtils.writeBoolean(response.contents, "valid", false);
+    }
+
+    return PacketResponse(replyDataTag: response.encodeTag().asCompoundTag());
+  }
+
+  @override
+  Map<String, dynamic> toJson() {
+    return {"username": username, "password": password};
+  }
+
+  @override
+  Future<void> handleClientPacket() async {}
+}

lib/settings.dart

@@ -4,6 +4,8 @@ import 'package:libac_flutter/nbt/NbtIo.dart';
 import 'package:libac_flutter/nbt/impl/CompoundTag.dart';
 import 'package:libac_flutter/packets/packets.dart';
 import 'package:libac_flutter/utils/IOTools.dart';
+import 'package:libac_flutter/utils/uuid/UUID.dart';
+import 'package:servermanager/credentials.dart';
 import 'package:servermanager/mod.dart';
 import 'package:servermanager/settingsEntry.dart';
 import 'package:servermanager/statemachine.dart';
@@ -14,6 +16,10 @@ class Settings {
 
   String steamcmd_path = "";
   String game_path = "";
+  Credentials serverLoginCreds = Credentials(
+      username: "admin", password: "changeMe123", secret: "", has_2fa: false);
+  UUID remoteLoginToken = UUID.ZERO;
+
   PacketClient? client;
 
   StateMachine subsys = StateMachine();
@@ -30,6 +36,8 @@ class Settings {
           PathHelper.builder(game_path).resolve("settings.dat").build());
 
       inst = SettingsEntry.deserialize(tag.get("entry") as CompoundTag);
+      serverLoginCreds = Credentials.deserialize(
+          tag.get(Credentials.TAG_NAME)!.asCompoundTag());
     } catch (E) {
       inst = SettingsEntry();
     }
@@ -39,6 +47,7 @@ class Settings {
     if (!isValid()) return;
     CompoundTag tag = CompoundTag();
     tag.put("entry", inst!.serialize());
+    tag.put(Credentials.TAG_NAME, serverLoginCreds.save());
 
     NbtIo.write(
         PathHelper.builder(game_path).resolve("settings.dat").build(), tag);

pubspec.yaml

@@ -42,7 +42,7 @@ dependencies:
   crypto:
   libac_flutter:
     hosted: https://git.zontreck.com/api/packages/AriasCreations/pub/
-    version: 1.0.8
+    version: 1.0.12
 
 dev_dependencies:
   flutter_test: