added project files

minecraft-launcher-server/Manifests.cs

@@ -0,0 +1,69 @@
+using System.Linq;
+using System.Text;
+using DTLib;
+using DTLib.Extensions;
+using DTLib.Filesystem;
+using static launcher_server.Server;
+
+namespace launcher_server;
+
+public static class Manifests
+{
+    static object manifestLocker = new();
+
+    public static void CreateManifest(IOPath dir)
+    {
+        if(!Directory.Exists(dir))
+        {
+            Directory.Create(dir);
+            return;
+        }
+        
+        StringBuilder manifestBuilder = new();
+        Hasher hasher = new();
+        var manifestPath = Path.Concat(dir, "manifest.dtsod");
+        if (Directory.GetFiles(dir).Contains(manifestPath))
+            File.Delete(manifestPath);
+        foreach (var fileInDir in Directory.GetAllFiles(dir))
+        {
+            var fileRelative = fileInDir.RemoveBase(dir);
+            manifestBuilder.Append(fileRelative);
+            manifestBuilder.Append(": \"");
+            byte[] hash = hasher.HashFile(Path.Concat(fileInDir));
+            manifestBuilder.Append(hash.HashToString());
+            manifestBuilder.Append("\";\n");
+        }
+        File.WriteAllText(manifestPath, manifestBuilder.ToString().Replace('\\','/'));
+    }
+    
+    public static void CreateAllManifests()
+    {
+        lock (manifestLocker)
+        {
+            var sync_and_remove_dir = Path.Concat(shared_dir, "sync_and_remove");
+            CreateManifest(Path.Concat(shared_dir, "download_if_not_exist"));
+            CreateManifest(Path.Concat(shared_dir, "sync_always"));
+            if (!Directory.Exists(sync_and_remove_dir))
+                Directory.Create(sync_and_remove_dir);
+            else foreach (var dir in Directory.GetDirectories(sync_and_remove_dir))
+                CreateManifest(dir);
+            StringBuilder dirlist_content_builder = new("dirs: [\n");
+
+            var dirs = Directory.GetDirectories(sync_and_remove_dir);
+            for (var i = 0; i < dirs.Length-1; i++)
+            {
+                dirlist_content_builder
+                    .Append("\t\"")
+                    .Append(dirs[i].RemoveBase(sync_and_remove_dir).Str.Replace('\\','/'))
+                    .Append("\",\n");
+            }
+            dirlist_content_builder
+                .Append("\t\"")
+                .Append(dirs[dirs.Length-1].RemoveBase(sync_and_remove_dir).Str.Replace('\\','/'))
+                .Append("\"\n");
+
+            dirlist_content_builder.Append("];");
+            File.WriteAllText(Path.Concat(sync_and_remove_dir, "dirlist.dtsod"), dirlist_content_builder.ToString());
+        }
+    }
+}

minecraft-launcher-server/Server.cs

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+using System;
+using System.Net;
+using System.Net.Sockets;
+using System.Text;
+using System.Threading;
+using DTLib.Dtsod;
+using DTLib.Extensions;
+using DTLib.Filesystem;
+using DTLib.Logging;
+using DTLib.Network;
+
+namespace launcher_server;
+
+static class Server
+{
+    private static ILogger logger = new CompositeLogger(
+        new FileLogger("logs","launcher-server"),
+        new ConsoleLogger());
+    static readonly Socket mainSocket = new(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
+    static DtsodV23 config = null!;
+    public static readonly IOPath shared_dir = "public";
+
+
+    static void Main(string[] args)
+    {
+        try
+        {
+            Console.Title = "minecraft_launcher_server";
+            Console.InputEncoding = Encoding.Unicode;
+            Console.OutputEncoding = Encoding.Unicode;
+            
+            config = new DtsodV23(File.ReadAllText("minecraft-launcher-server.dtsod"));
+            
+            logger.LogInfo("Main",  $"local address: {config["local_ip"]}");
+            logger.LogInfo("Main", $"public address: {Functions.GetPublicIP()}");
+                logger.LogInfo("Main", $"port: {config["local_port"]}");
+            mainSocket.Bind(new IPEndPoint(IPAddress.Parse(config["local_ip"]), config["local_port"]));
+            mainSocket.Listen(1000);
+            Manifests.CreateAllManifests();
+            logger.LogInfo("Main", "server started succesfully");
+            // запуск отдельного потока для каждого юзера
+            logger.LogInfo("Main", "waiting for users");
+            while (true)
+            {
+                var userSocket = mainSocket.Accept();
+                var userThread = new Thread(obj => HandleUser((Socket)obj!));
+                userThread.Start(userSocket);
+            }
+        }
+        catch (Exception ex)
+        {
+            logger.LogError("Main", ex);
+            mainSocket.Close();
+        }
+        logger.LogInfo("Main",  "");
+    }
+
+    // запускается для каждого юзера в отдельном потоке
+    static void HandleUser(Socket handlerSocket)
+    {
+        logger.LogInfo(nameof(HandleUser), "user connecting...  ");
+        try
+        {
+            // тут запрос пароля заменён запросом заглушки
+            handlerSocket.SendPackage("requesting user name");
+            string connectionString = handlerSocket.GetPackage().BytesToString();
+            FSP fsp = new(handlerSocket);
+            
+            // запрос от апдейтера
+            if (connectionString == "minecraft-launcher")
+            {
+                logger.LogInfo(nameof(HandleUser), "incoming connection from minecraft-launcher");
+                handlerSocket.SendPackage("minecraft-launcher OK");
+                // обработка запросов
+                while (true)
+                {
+                    if (handlerSocket.Available >= 2)
+                    {
+                        string request = handlerSocket.GetPackage().BytesToString();
+                        switch (request)
+                        {
+                            case "requesting launcher update":
+                                logger.LogInfo(nameof(HandleUser), "updater requested launcher update");
+                                // ReSharper disable once InconsistentlySynchronizedField
+                                fsp.UploadFile(Path.Concat(shared_dir, "minecraft-launcher.exe"));
+                                break;
+                            case "requesting file download":
+                                var file = handlerSocket.GetPackage().BytesToString();
+                                logger.LogInfo(nameof(HandleUser), $"updater requested file {file}");
+                                // ReSharper disable once InconsistentlySynchronizedField
+                                fsp.UploadFile(Path.Concat(shared_dir, file));
+                                break;
+                            default:
+                                throw new Exception("unknown request: " + request);
+                        }
+                    }
+                    else Thread.Sleep(50);
+                }
+            }
+            // неизвестный юзер
+
+            logger.LogWarn(nameof(HandleUser),$"invalid connection string: '{connectionString}'");
+            handlerSocket.SendPackage("invalid connection string");
+        }
+        catch (Exception ex)
+        {
+            logger.LogWarn(nameof(HandleUser), ex);
+        }
+        finally
+        {
+            if (handlerSocket.Connected) handlerSocket.Shutdown(SocketShutdown.Both);
+            handlerSocket.Close();
+            logger.LogInfo(nameof(HandleUser), "user disconnected");
+        }
+    }
+
+    
+}

minecraft-launcher-server/launcher-server.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>disable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+    <OutputType>Exe</OutputType>
+    <RootNamespace>launcher_server</RootNamespace>
+    <AssemblyName>minecraft-launcher-server</AssemblyName>
+    <ApplicationIcon>launcher.ico</ApplicationIcon>
+  </PropertyGroup>
+  <ItemGroup>
+    <PackageReference Include="DTLib.Dtsod" Version="1.3.1" />
+    <PackageReference Include="DTLib.Logging" Version="1.3.1" />
+    <PackageReference Include="DTLib.Network" Version="1.3.3" />
+  </ItemGroup>
+</Project>

minecraft-launcher-server/minecraft-launcher-server.dtsod.default

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+local_ip: "127.0.0.1";
+local_port: 25000;

minecraft-launcher-server/minecraft-launcher-server.service

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+# put this file in /etc/systemd/system/
+[Unit]
+Description=minecraft launcher backend in c#
+
+[Service]
+WorkingDirectory=/opt/minecraft-launcher/minecraft-launcher-server/bin/publish
+ExecStart=/opt/minecraft-launcher/minecraft-launcher-server/bin/publish/minecraft-launcher-server
+Restart=always
+
+[Install]
+WantedBy=multi-user.target

minecraft-launcher-server/publish.sh

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+dotnet publish -c release -o bin/publish \
+  --self-contained \
+  --use-current-runtime \
+  -p:PublishSingleFile=true \
+  -p:PublishTrimmed=true \
+  -p:TrimMode=partial \
+  -p:EnableCompressionInSingleFile=true \
+  -p:OptimizationPreference=Size \
+  -p:InvariantGlobalization=true \
+  -p:DebugType=none