From 2b2e40a9674f1e3f8752c83af16d84c260709efa Mon Sep 17 00:00:00 2001
From: Eveldee <eveldee0680@live.fr>
Date: Thu, 3 Jun 2021 14:40:30 +0200
Subject: [PATCH] Add TcpService

---
 Akari.Provider.WaveshareUART.csproj |  2 +-
 MQTTService.cs => TcpService.cs     | 61 +++++++++++++++++++++++++----
 WaveshareUARTProvider.cs            |  2 +-
 3 files changed, 55 insertions(+), 10 deletions(-)
 rename MQTTService.cs => TcpService.cs (51%)

diff --git a/Akari.Provider.WaveshareUART.csproj b/Akari.Provider.WaveshareUART.csproj
index cfe66d5..e53f304 100644
--- a/Akari.Provider.WaveshareUART.csproj
+++ b/Akari.Provider.WaveshareUART.csproj
@@ -93,7 +93,7 @@
     </Reference>
   </ItemGroup>
   <ItemGroup>
-    <Compile Include="MQTTService.cs" />
+    <Compile Include="TcpService.cs" />
     <Compile Include="Views\EditUserDisplay.cs" />
     <Compile Include="Views\EntryDialog.cs" />
     <Compile Include="Views\FingerprintDialog.cs" />
diff --git a/MQTTService.cs b/TcpService.cs
similarity index 51%
rename from MQTTService.cs
rename to TcpService.cs
index 9fc5815..5e2feaf 100644
--- a/MQTTService.cs
+++ b/TcpService.cs
@@ -1,25 +1,33 @@
 using Akari.Provider.WaveshareUART.Users;
 using System;
+using System.IO;
+using System.Linq;
+using System.Net;
+using System.Net.Sockets;
+using System.Text;
 using System.Threading;
 using WaveshareUARTFingerprintSensor;
 
 namespace Akari.Provider.WaveshareUART
 {
-    public class MQTTService
+    public class TcpService
     {
         public FingerprintSensor FingerprintSensor => WaveshareUARTProvider.Instance.FingerprintSensor;
         public UsersManager UsersManager => WaveshareUARTProvider.Instance.UsersManager;
 
-        public MQTTService()
+        private string _ip;
+        private int _port;
+
+        public TcpService()
         {
 
         }
 
         public void Start()
         {
-            Console.WriteLine("Starting MQTT service...");
+            Console.WriteLine("Starting Tcp service...");
 
-            InitMQTT();
+            InitTcp();
 
             Console.WriteLine($"There is {UsersManager.Count} users registered");
 
@@ -34,14 +42,36 @@ namespace Akari.Provider.WaveshareUART
             FingerprintSensor.Waked -= FingerprintSensor_Waked;
         }
 
-        private void InitMQTT()
+        private void InitTcp()
         {
-            // TODO
+            try
+            {
+                _ip = File.ReadAllText(WaveshareUARTProvider.ServerIPFilePath);
+                _port = int.Parse(File.ReadAllText(WaveshareUARTProvider.ServerPortFilePath));
+            }
+            catch (Exception e)
+            {
+                Console.ForegroundColor = ConsoleColor.Red;
+                Console.WriteLine(e);
+
+                Console.WriteLine();
+                Console.WriteLine($"Couldn't read setting files");
+                Console.WriteLine($"Launch the program with '-c' to config the provider");
+
+                Environment.Exit(1);
+            }
         }
 
         private void SendAuth(User user)
         {
-            // TODO
+            using (var client = new TcpClient(_ip, _port))
+            {
+                var stream = client.GetStream();
+
+                var data = Convert.FromBase64String(user.Token);
+
+                stream.Write(data, 0, data.Length);
+            }
         }
 
         private void FingerprintSensor_Waked(FingerprintSensor sender)
@@ -54,7 +84,22 @@ namespace Akari.Provider.WaveshareUART
                 {
                     Console.WriteLine($"{user.Name} fingerprint recognized");
 
-                    SendAuth(user);
+                    try
+                    {
+                        SendAuth(user);
+                    }
+                    catch (Exception e)
+                    {
+                        var oldColor = Console.ForegroundColor;
+                        Console.ForegroundColor = ConsoleColor.Red;
+
+                        Console.WriteLine("Tried to send an auth packet but an error occured.");
+                        Console.WriteLine();
+
+                        Console.WriteLine(e);
+
+                        Console.ForegroundColor = oldColor;
+                    }
                 }
                 else
                 {
diff --git a/WaveshareUARTProvider.cs b/WaveshareUARTProvider.cs
index 0f13c40..f57196a 100644
--- a/WaveshareUARTProvider.cs
+++ b/WaveshareUARTProvider.cs
@@ -51,7 +51,7 @@ namespace Akari.Provider.WaveshareUART
         {
             InitSensor();
 
-            new MQTTService().Start();
+            new TcpService().Start();
         }
     }
 }