From 8b8447649a2880301e73dac8acd7a6f88337e366 Mon Sep 17 00:00:00 2001
From: Eveldee <eveldee0680@live.fr>
Date: Tue, 8 Jun 2021 22:31:13 +0200
Subject: [PATCH] Implement Client

---
 .../Akari.Prototype.Client.csproj             |   9 +-
 Akari.Prototype.Client/MainWindow.axaml       |  74 ++++++++++-
 Akari.Prototype.Client/MainWindow.axaml.cs    | 124 +++++++++++++++++-
 Akari.Prototype.Client/Mode.cs                |  14 ++
 4 files changed, 210 insertions(+), 11 deletions(-)
 create mode 100644 Akari.Prototype.Client/Mode.cs

diff --git a/Akari.Prototype.Client/Akari.Prototype.Client.csproj b/Akari.Prototype.Client/Akari.Prototype.Client.csproj
index 7d17bab..a5a9bd5 100644
--- a/Akari.Prototype.Client/Akari.Prototype.Client.csproj
+++ b/Akari.Prototype.Client/Akari.Prototype.Client.csproj
@@ -5,9 +5,12 @@
     <Nullable>enable</Nullable>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="Avalonia" Version="0.10.3" />
-    <PackageReference Include="Avalonia.Desktop" Version="0.10.3" />
-    <PackageReference Include="Avalonia.Diagnostics" Version="0.10.3" />
+    <PackageReference Include="Avalonia" Version="0.10.6" />
+    <PackageReference Include="Avalonia.Desktop" Version="0.10.6" />
+    <PackageReference Include="Avalonia.Diagnostics" Version="0.10.6" />
+    <PackageReference Include="Grpc.Net.Client" Version="2.37.0" />
+    <PackageReference Include="MessageBox.Avalonia" Version="1.3.1" />
+    <PackageReference Include="XamlNameReferenceGenerator" Version="1.2.1" />
    </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\Akari.Prototype.Shared\Akari.Prototype.Shared.csproj" />
diff --git a/Akari.Prototype.Client/MainWindow.axaml b/Akari.Prototype.Client/MainWindow.axaml
index 0b9e8b6..0e18d8a 100644
--- a/Akari.Prototype.Client/MainWindow.axaml
+++ b/Akari.Prototype.Client/MainWindow.axaml
@@ -4,6 +4,76 @@
         xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
         mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
         x:Class="Akari.Prototype.Client.MainWindow"
-        Title="Akari.Prototype.Client">
-    Welcome to Avalonia!
+        Title="Akari.Prototype.Client"
+        Width="600"
+        Height="350"
+        ExtendClientAreaToDecorationsHint="True"
+        TransparencyLevelHint="AcrylicBlur"
+        ExtendClientAreaTitleBarHeightHint="-1"
+        Background="{x:Null}">
+  <Panel>
+    <ExperimentalAcrylicBorder IsHitTestVisible="False">
+      <ExperimentalAcrylicBorder.Material>
+        <ExperimentalAcrylicMaterial BackgroundSource="Digger" TintColor="#F8F8F0" TintOpacity="1" MaterialOpacity="0.6" />
+      </ExperimentalAcrylicBorder.Material>
+    </ExperimentalAcrylicBorder>
+    <RelativePanel VerticalAlignment="Center" Margin="20">
+      <TextBlock x:Name="TxtName"
+                 Margin="5, 15"
+                 Text="Application Name:" />
+      <TextBox x:Name="BoxName"
+               RelativePanel.RightOf="TxtName"
+               RelativePanel.AlignRightWithPanel="True"
+               RelativePanel.AlignVerticalCenterWith="TxtName" />
+
+      <TextBlock x:Name="TxtToken"
+                 RelativePanel.Below="TxtName"
+                 RelativePanel.AlignRightWith="TxtName"
+                 Margin="5, 15"
+                 Text="Token:" />
+      <TextBox x:Name="BoxToken"
+               RelativePanel.RightOf="TxtToken"
+               RelativePanel.AlignRightWithPanel="True"
+               RelativePanel.AlignLeftWith="BoxName"
+               RelativePanel.AlignVerticalCenterWith="TxtToken" />
+
+      <TextBlock x:Name="TxtMode"
+                 RelativePanel.Below="TxtToken"
+                 RelativePanel.AlignRightWith="TxtToken"
+                 Margin="5, 15"
+                 Text="Mode:" />
+      <ComboBox x:Name="CbxMode"
+                RelativePanel.RightOf="TxtMode"
+                RelativePanel.AlignVerticalCenterWith="TxtMode"
+                MinWidth="100"
+                SelectedIndex="0">
+        <ComboBoxItem>Encrypt</ComboBoxItem>
+        <ComboBoxItem>Decrypt</ComboBoxItem>
+      </ComboBox>
+
+      <Button x:Name="BtnPickFile"
+              RelativePanel.RightOf="CbxMode"
+              RelativePanel.AlignVerticalCenterWith="TxtMode"
+              Margin="15, 0, 5, 0"
+              Content="Pick File"
+              Click="OnPickFile" />
+      <TextBlock x:Name="TxtFile"
+                 RelativePanel.RightOf="BtnPickFile"
+                 RelativePanel.AlignRightWithPanel="True"
+                 RelativePanel.AlignVerticalCenterWith="BtnPickFile"
+                 MaxWidth="250"
+                 TextTrimming="CharacterEllipsis"
+                 Text="N/A" />
+
+      <Button x:Name="BtnSubmit"
+              RelativePanel.Below="TxtMode"
+              RelativePanel.AlignLeftWith="BoxToken"
+              RelativePanel.AlignRightWith="BoxToken"
+              HorizontalContentAlignment="Center"
+              HorizontalAlignment="Stretch"
+              Margin="0, 5"
+              Content="Submit"
+              Click="OnSubmit" />
+    </RelativePanel>
+  </Panel>
 </Window>
diff --git a/Akari.Prototype.Client/MainWindow.axaml.cs b/Akari.Prototype.Client/MainWindow.axaml.cs
index 8a3826e..1c167f7 100644
--- a/Akari.Prototype.Client/MainWindow.axaml.cs
+++ b/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();
         }
     }
 }
diff --git a/Akari.Prototype.Client/Mode.cs b/Akari.Prototype.Client/Mode.cs
new file mode 100644
index 0000000..9cbc6ac
--- /dev/null
+++ b/Akari.Prototype.Client/Mode.cs
@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Akari.Prototype.Client
+{
+    enum Mode
+    {
+        Encrypt,
+        Decrypt
+    }
+}