Implement Client

Akari.Prototype.Client/MainWindow.axaml.cs

@@ -1,22 +1,134 @@
+using System;
+using System.IO;
+using System.Threading.Tasks;
+using Akari.Prototype.Shared.Protos;
 using Avalonia;
 using Avalonia.Controls;
+using Avalonia.Interactivity;
 using Avalonia.Markup.Xaml;
+using Google.Protobuf;
+using Grpc.Net.Client;
+using MessageBox.Avalonia;
 
 namespace Akari.Prototype.Client
 {
-    public partial class MainWindow : Window
+    public partial class MainWindow : Window, IDisposable
     {
+        public const string Hostname = "https://localhost:5001";
+
+        private readonly GrpcChannel _channel;
+
+        private string? _file = null;
+
         public MainWindow()
         {
             InitializeComponent();
-#if DEBUG
-            this.AttachDevTools();
-#endif
+
+            _channel = GrpcChannel.ForAddress(Hostname);
         }
 
-        private void InitializeComponent()
+        private async void OnPickFile(object sender, RoutedEventArgs e)
         {
-            AvaloniaXamlLoader.Load(this);
+            var mode = GetMode();
+
+            var dialog = new OpenFileDialog()
+            {
+                AllowMultiple = false,
+                Title = $"Pick a file to {mode}"
+            };
+
+            if (await dialog.ShowAsync(this) is string[] { Length: 1 } res)
+            {
+                _file = res[0];
+                TxtFile.Text = Path.GetFileName(_file);
+            }
+        }
+
+        private async void OnSubmit(object sender, RoutedEventArgs e)
+        {
+            if (_file is null)
+            {
+                return;
+            }
+
+            if (string.IsNullOrWhiteSpace(BoxName.Text))
+            {
+                await MessageBoxManager.GetMessageBoxStandardWindow("Error", $"Invalid application name", icon: MessageBox.Avalonia.Enums.Icon.Error).Show();
+
+                return;
+            }
+
+            if (string.IsNullOrWhiteSpace(BoxToken.Text))
+            {
+                await MessageBoxManager.GetMessageBoxStandardWindow("Error", $"Invalid token", icon: MessageBox.Avalonia.Enums.Icon.Error).Show();
+
+                return;
+            }
+
+            var client = new AkariApi.AkariApiClient(_channel);
+
+            // Decrypt
+            if (GetMode() == Mode.Decrypt)
+            {
+                var response = await client.DecryptAsync(new DecryptRequest()
+                {
+                    Application = BoxName.Text,
+                    Token = BoxToken.Text,
+                    Encrypted = ByteString.CopyFrom(File.ReadAllBytes(_file))
+                });
+
+                if (response.ResponseCase == DecryptResponse.ResponseOneofCase.ErrorMessage)
+                {
+                    await MessageBoxManager.GetMessageBoxStandardWindow("Error", $"Error during decryption, server response: {response.ErrorMessage}", icon: MessageBox.Avalonia.Enums.Icon.Error).Show();
+                }
+                else
+                {
+                    string outPath = Path.ChangeExtension(_file, null);
+
+                    File.WriteAllBytes(outPath, response.Plain.ToByteArray());
+
+                    await MessageBoxManager.GetMessageBoxStandardWindow("Success", $"Saved decrypted file to {outPath}\n").Show();
+
+                }
+            }
+            // Encrypt
+            else
+            {
+                var response = await client.EncryptAsync(new EncryptRequest()
+                {
+                    Application = BoxName.Text,
+                    Token = BoxToken.Text,
+                    Plain = ByteString.CopyFrom(File.ReadAllBytes(_file))
+                });
+
+                if (response.ResponseCase == EncryptResponse.ResponseOneofCase.ErrorMessage)
+                {
+                    await MessageBoxManager.GetMessageBoxStandardWindow("Error", $"Error during encryption, server response: {response.ErrorMessage}", icon: MessageBox.Avalonia.Enums.Icon.Error).Show();
+                }
+                else
+                {
+                    string outPath = $"{_file}.enc";
+
+                    File.WriteAllBytes(outPath, response.Encrypted.ToByteArray());
+
+                    await MessageBoxManager.GetMessageBoxStandardWindow("Success", $"Saved encrypted file to {outPath}").Show();
+                }
+            }
+        }
+
+        private Mode GetMode()
+        {
+            if (CbxMode.SelectedItem is ComboBoxItem { Content: string mode })
+            {
+                return Enum.Parse<Mode>(mode);
+            }
+
+            throw new Exception("Invalid mode in CbxMode");
+        }
+
+        public void Dispose()
+        {
+            _channel.Dispose();
         }
     }
 }