From da26a320b41f7e39bac76e1f337a649b9044bd2f Mon Sep 17 00:00:00 2001
From: Joseph Manley <j@cloudsumu.com>
Date: Sat, 9 May 2020 09:49:52 -0400
Subject: [PATCH] Basic TCP server

---
 authorizer/.gitignore        | 37 ++++++++++++++++++++++
 authorizer/Dockerfile        |  7 +++++
 authorizer/Program.cs        | 23 ++++++++++++++
 authorizer/Server.cs         | 61 ++++++++++++++++++++++++++++++++++++
 authorizer/authorizer.csproj |  8 +++++
 5 files changed, 136 insertions(+)
 create mode 100644 authorizer/.gitignore
 create mode 100644 authorizer/Dockerfile
 create mode 100644 authorizer/Program.cs
 create mode 100644 authorizer/Server.cs
 create mode 100644 authorizer/authorizer.csproj

diff --git a/authorizer/.gitignore b/authorizer/.gitignore
new file mode 100644
index 0000000..a437a65
--- /dev/null
+++ b/authorizer/.gitignore
@@ -0,0 +1,37 @@
+*.swp
+*.*~
+project.lock.json
+.DS_Store
+*.pyc
+nupkg/
+
+# Visual Studio Code
+.vscode
+
+# Rider
+.idea
+
+# User-specific files
+*.suo
+*.user
+*.userosscache
+*.sln.docstates
+
+# Build results
+[Dd]ebug/
+[Dd]ebugPublic/
+[Rr]elease/
+[Rr]eleases/
+x64/
+x86/
+build/
+bld/
+[Bb]in/
+[Oo]bj/
+[Oo]ut/
+msbuild.log
+msbuild.err
+msbuild.wrn
+
+# Visual Studio 2015
+.vs/
diff --git a/authorizer/Dockerfile b/authorizer/Dockerfile
new file mode 100644
index 0000000..f240eea
--- /dev/null
+++ b/authorizer/Dockerfile
@@ -0,0 +1,7 @@
+FROM mcr.microsoft.com/dotnet/core/runtime:3.1
+
+COPY bin/Release/netcoreapp3.1/publish/ App/
+WORKDIR /App
+ENTRYPOINT ["dotnet", "authorizer.dll"]
+
+EXPOSE 7778/tcp
\ No newline at end of file
diff --git a/authorizer/Program.cs b/authorizer/Program.cs
new file mode 100644
index 0000000..62f7484
--- /dev/null
+++ b/authorizer/Program.cs
@@ -0,0 +1,23 @@
+using System;
+
+namespace authorizer
+{
+    class Program
+    {
+        static AuthServer server;
+        static void Main(string[] args)
+        {
+            server = new AuthServer();
+
+            server.Start();
+
+            string input;
+            do
+            {
+                input = Console.ReadLine();
+            }
+            while(input != "stop");
+            server.Stop();
+        }
+    }
+}
diff --git a/authorizer/Server.cs b/authorizer/Server.cs
new file mode 100644
index 0000000..feecd77
--- /dev/null
+++ b/authorizer/Server.cs
@@ -0,0 +1,61 @@
+using System;
+using System.Threading;
+using System.Net;
+using System.Net.Sockets;
+class AuthServer
+{
+    private int port;
+    private IPAddress address;
+    private TcpListener server;
+    private Thread thread;
+    private bool running = false;
+    public AuthServer(string addr = "0.0.0.0", int p = 7778)
+    {
+        port = p;
+        address = IPAddress.Parse(addr);
+
+        server = new TcpListener(address, port);
+    }
+    private void ServerLoop()
+    {
+        while(running)
+        {
+            Console.WriteLine("Waiting for a connection...");
+
+            TcpClient client = server.AcceptTcpClient();
+            Console.WriteLine("Connected!");
+
+            Byte[] bytes = new byte[256];
+            String data = null;
+
+            NetworkStream stream = client.GetStream();
+
+            int i;
+
+            while((i = stream.Read(bytes, 0, bytes.Length)) != 0)
+            {
+                data = System.Text.Encoding.ASCII.GetString(bytes, 0, i);
+                Console.WriteLine("Recieved: {0}", data);
+            }
+            
+            client.Close();
+        }
+    }
+
+    public void Start()
+    {
+        server.Start();
+        running = true;
+        ThreadStart entrypoint = new ThreadStart(ServerLoop);
+        thread = new Thread(entrypoint);
+        thread.Start();
+    }
+    public void Stop()
+    {
+        running = false;
+    }
+    public void ForceStop()
+    {
+        thread.Join();
+    }
+}
\ No newline at end of file
diff --git a/authorizer/authorizer.csproj b/authorizer/authorizer.csproj
new file mode 100644
index 0000000..d453e9a
--- /dev/null
+++ b/authorizer/authorizer.csproj
@@ -0,0 +1,8 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
+  </PropertyGroup>
+
+</Project>