feat(core): First try on ASP.NET

Flawless-Version-Control.sln

@@ -8,6 +8,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Flawless.Client.Avanonia",
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Flawless.Server", "Flawless.Server\Flawless.Server.csproj", "{17EA1F4E-7D4E-485D-BDB5-18BBC3FB8DF9}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Flawless.Test.ConsoleApplication", "Flawless.Test.ConsoleApplication\Flawless.Test.ConsoleApplication.csproj", "{29FF9E82-23A4-4F3C-82B6-7ABC72D5990D}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -30,5 +32,9 @@ Global
 		{17EA1F4E-7D4E-485D-BDB5-18BBC3FB8DF9}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{17EA1F4E-7D4E-485D-BDB5-18BBC3FB8DF9}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{17EA1F4E-7D4E-485D-BDB5-18BBC3FB8DF9}.Release|Any CPU.Build.0 = Release|Any CPU
+		{29FF9E82-23A4-4F3C-82B6-7ABC72D5990D}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{29FF9E82-23A4-4F3C-82B6-7ABC72D5990D}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{29FF9E82-23A4-4F3C-82B6-7ABC72D5990D}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{29FF9E82-23A4-4F3C-82B6-7ABC72D5990D}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 EndGlobal

Flawless-Version-Control.sln.DotSettings.user

@@ -0,0 +1,4 @@
+<wpf:ResourceDictionary xml:space="preserve" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:s="clr-namespace:System;assembly=mscorlib" xmlns:ss="urn:shemas-jetbrains-com:settings-storage-xaml" xmlns:wpf="http://schemas.microsoft.com/winfx/2006/xaml/presentation">
+	<s:String x:Key="/Default/CodeInspection/ExcludedFiles/FilesAndFoldersToSkip2/=7020124F_002D9FFC_002D4AC3_002D8F3D_002DAAB8E0240759_002Ff_003AClaimsPrincipal_002Ecs_002Fl_003A_002E_002E_003F_002E_002E_003F_002Econfig_003FJetBrains_003FRider2024_002E2_003Fresharper_002Dhost_003FDecompilerCache_003Fdecompiler_003Fbf5ce3f8ae0647439d514bb1a3c7f96b13600_003F20_003Fabeaf9ae_003FClaimsPrincipal_002Ecs/@EntryIndexedValue">ForceIncluded</s:String>
+	<s:String x:Key="/Default/CodeInspection/ExcludedFiles/FilesAndFoldersToSkip2/=7020124F_002D9FFC_002D4AC3_002D8F3D_002DAAB8E0240759_002Ff_003AClaimTypes_002Ecs_002Fl_003A_002E_002E_003F_002E_002E_003F_002Econfig_003FJetBrains_003FRider2024_002E2_003Fresharper_002Dhost_003FDecompilerCache_003Fdecompiler_003Fbf5ce3f8ae0647439d514bb1a3c7f96b13600_003Fbd_003F4cde67a5_003FClaimTypes_002Ecs/@EntryIndexedValue">ForceIncluded</s:String>
+	<s:String x:Key="/Default/CodeInspection/ExcludedFiles/FilesAndFoldersToSkip2/=7020124F_002D9FFC_002D4AC3_002D8F3D_002DAAB8E0240759_002Ff_003AStringValue_002Ecs_002Fl_003A_002E_002E_003F_002E_002E_003F_002Econfig_003FJetBrains_003FRider2024_002E2_003Fresharper_002Dhost_003FDecompilerCache_003Fdecompiler_003Fee39d1e9346e41aa9d44f0e1b1c6630f76268_003F49_003Fb92346b2_003FStringValue_002Ecs/@EntryIndexedValue">ForceIncluded</s:String></wpf:ResourceDictionary>

Flawless.Client/Flawless.Client.csproj

@@ -7,23 +7,14 @@
     </PropertyGroup>
 
     <ItemGroup>
+        <Protobuf Include="..\Flawless.Shared\Protos\*.proto" GrpcServices="Client"/>
         <PackageReference Include="Google.Protobuf" Version="3.28.2" />
         <PackageReference Include="Grpc.Net.Client" Version="2.66.0" />
         <PackageReference Include="Grpc.Tools" Version="2.67.0">
             <PrivateAssets>all</PrivateAssets>
             <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
         </PackageReference>
-    </ItemGroup>
+        <Protobuf Remove="..\Flawless.Shared\Protos\**" />
-
-    <ItemGroup>
-      <Protobuf Include="Protos\greet.proto">
-        <GrpcServices>Server</GrpcServices>
-        <Access>Public</Access>
-        <ProtoCompile>True</ProtoCompile>
-        <CompileOutputs>True</CompileOutputs>
-        <OutputDir>obj\Debug\net8.0\</OutputDir>
-        <Generator>MSBuild:Compile</Generator>
-      </Protobuf>
     </ItemGroup>
 
 </Project>

Flawless.Client/Protos/greet.proto

@@ -1,21 +0,0 @@
-syntax = "proto3";
-
-option csharp_namespace = "Flawless.Server";
-
-package greet;
-
-// The greeting service definition.
-service Greeter {
-  // Sends a greeting
-  rpc SayHello (HelloRequest) returns (HelloReply);
-}
-
-// The request message containing the user's name.
-message HelloRequest {
-  string name = 1;
-}
-
-// The response message containing the greetings.
-message HelloReply {
-  string message = 1;
-}

Flawless.Client/TestFlight.cs

@@ -1,5 +0,0 @@
-namespace Flawless.Client;
-
-public class TestFlight
-{
-}

Flawless.Server/Flawless.Server.csproj

@@ -7,11 +7,13 @@
     </PropertyGroup>
 
     <ItemGroup>
-        <Protobuf Include="Protos\greet.proto" GrpcServices="Server"/>
+        <PackageReference Include="Microsoft.AspNetCore.Authentication.JwtBearer" Version="8.0.10" />
-    </ItemGroup>
+        <PackageReference Include="Serilog.Sinks.Console" Version="6.0.0" />
-
+        <Protobuf Include="..\Flawless.Shared\Protos\*.proto" GrpcServices="Server"/>
-    <ItemGroup>
         <PackageReference Include="Grpc.AspNetCore" Version="2.57.0"/>
+        <Protobuf Update="..\Flawless.Shared\Protos\auth.proto">
+          <Link>Protos\auth.proto</Link>
+        </Protobuf>
     </ItemGroup>
 
 </Project>

Flawless.Server/Program.cs

@@ -1,16 +1,51 @@
 using Flawless.Server.Services;
+using Flawless.Server.Utility;
+using Microsoft.AspNetCore.Authentication.JwtBearer;
+using Microsoft.IdentityModel.Tokens;
 
-var builder = WebApplication.CreateBuilder(args);
+bool init = true;
+while (init)
+{
+    init = false;
+    var builder = WebApplication.CreateBuilder(args);
+    builder.Services.AddGrpc(x =>
+    {
+    });
 
-// Add services to the container.
+    builder.Services.AddAuthentication(x =>
-builder.Services.AddGrpc();
+    {
+        x.DefaultAuthenticateScheme = JwtBearerDefaults.AuthenticationScheme;
+        x.DefaultChallengeScheme = JwtBearerDefaults.AuthenticationScheme;
+    }).AddJwtBearer(o =>
+    {
+        o.TokenValidationParameters = new TokenValidationParameters()
+        {
+            ValidateIssuer = true,
+            RequireExpirationTime = true,
+            ValidateAudience = true,
+            ValidateIssuerSigningKey = true,
+            IssuerSigningKey = AuthUtility.SecurityKey,
+            ValidIssuer = AuthUtility.Issuer,
+            ValidAudience = AuthUtility.Audience,
+            ClockSkew = TimeSpan.Zero,
+        };
+    });
 
-var app = builder.Build();
+    builder.Services.AddAuthorization();
 
-// Configure the HTTP request pipeline.
+    using var app = builder.Build();
-app.MapGrpcService<GreeterService>();
-app.MapGet("/",
-    () =>
-        "Communication with gRPC endpoints must be made through a gRPC client. To learn how to create a client, visit: https://go.microsoft.com/fwlink/?linkid=2086909");
 
-app.Run();
+    // Enable call router
+    app.UseRouting();
+
+    // Enable authentication
+    app.UseAuthentication();
+    app.UseAuthorization();
+
+    // Configure the HTTP request pipeline.
+    app.MapGrpcService<AuthService>();
+    app.MapGet("/",
+        () => "Communication with gRPC endpoints must be made through a gRPC client. To learn how to create a client, visit: https://go.microsoft.com/fwlink/?linkid=2086909");
+
+    app.Run();
+}

Flawless.Server/Protos/greet.proto

@@ -1,21 +0,0 @@
-syntax = "proto3";
-
-option csharp_namespace = "Flawless.Server";
-
-package greet;
-
-// The greeting service definition.
-service Greeter {
-  // Sends a greeting
-  rpc SayHello (HelloRequest) returns (HelloReply);
-}
-
-// The request message containing the user's name.
-message HelloRequest {
-  string name = 1;
-}
-
-// The response message containing the greetings.
-message HelloReply {
-  string message = 1;
-}

Flawless.Server/Services/AuthService.cs

@@ -0,0 +1,58 @@
+using Flawless.Api;
+using Flawless.Server.Utility;
+using Google.Protobuf.WellKnownTypes;
+using Grpc.Core;
+using Microsoft.AspNetCore.Authorization;
+
+namespace Flawless.Server.Services;
+
+public class AuthService : Auth.AuthBase
+{
+    
+    private ILogger<AuthService> _logger;
+
+    public AuthService(ILogger<AuthService> logger)
+    {
+        _logger = logger;
+    }
+    
+    public override Task<AuthResult> GainToken(AuthRequest request, ServerCallContext context)
+    {
+
+        if (request.UserName != "admin")
+        {
+            return Task.FromResult(new AuthResult()
+            {
+                Token = "",
+                Result = -1,
+                Message = "Invalid username or password"
+            });
+        }
+        
+        var token = AuthUtility.GenerateJwtToken(request.UserName, request.Expires);
+        
+        _logger.LogInformation($"User '{request.UserName}' has been login in.'");
+        return Task.FromResult(new AuthResult
+        {
+            Token = token,
+            Result = 0
+        });
+    }
+
+    [Authorize]
+    public override Task<AuthUserInfo> GetUserInfo(Empty request, ServerCallContext context)
+    {
+        return Task.FromResult(new AuthUserInfo
+        {
+            UserName = context.GetHttpContext().User.Identity?.Name ?? string.Empty,
+            IsSystemAdmin = true,
+            UserId = 1000
+        });
+    }
+
+    [Authorize]
+    public override Task<Empty> Validate(Empty request, ServerCallContext context)
+    {
+        return Task.FromResult(new Empty());
+    }
+}

Flawless.Server/Services/GreeterService.cs

@@ -1,22 +0,0 @@
-using Grpc.Core;
-using Flawless.Server;
-
-namespace Flawless.Server.Services;
-
-public class GreeterService : Greeter.GreeterBase
-{
-    private readonly ILogger<GreeterService> _logger;
-
-    public GreeterService(ILogger<GreeterService> logger)
-    {
-        _logger = logger;
-    }
-
-    public override Task<HelloReply> SayHello(HelloRequest request, ServerCallContext context)
-    {
-        return Task.FromResult(new HelloReply
-        {
-            Message = "Hello " + request.Name
-        });
-    }
-}

Flawless.Server/Utility/AuthUtility.cs

@@ -0,0 +1,72 @@
+using System.IdentityModel.Tokens.Jwt;
+using System.Security.Claims;
+using System.Text;
+using Microsoft.IdentityModel.Tokens;
+
+namespace Flawless.Server.Utility;
+
+public static class AuthUtility
+{
+    private static JwtSecurityTokenHandler _tokenHandler = new();
+
+    private static SymmetricSecurityKey? _key;
+
+    public static string GenerateSecret(
+        string randomRange = "abcdefghijklmnopqrstuvwxyz1234567890!@#$%^&*()_+=-", 
+        int length = 256 / 8)
+    {
+        var rng = Random.Shared;
+        
+        String ran = "";
+        for (int i = 0; i < length; i++) 
+        { 
+            int x = rng.Next(randomRange.Length); 
+            ran += randomRange[x]; 
+        }
+
+        return ran;
+    }
+    
+    public static string JwtSecret { get; private set; } = GenerateSecret();
+    
+    public static string Issuer { get; private set; } = Environment.GetEnvironmentVariable("issuer") ?? "jwt";
+    
+    public static string Audience { get; private set; } = Environment.GetEnvironmentVariable("audience") ?? "jwt";
+
+    public static SymmetricSecurityKey SecurityKey
+    {
+        get
+        {
+            if (_key == null) _key = new SymmetricSecurityKey(Encoding.UTF8.GetBytes(JwtSecret));
+            return _key;
+        }
+    }
+
+    public static void ResetKey(string issuer, string audience, string? keySecret = null)
+    {
+        JwtSecret = keySecret ?? GenerateSecret();
+        Issuer = issuer;
+        Audience = audience;
+        _key = new SymmetricSecurityKey(Encoding.UTF8.GetBytes(JwtSecret));
+    }
+    
+    public static string GenerateJwtToken(string username, uint expires)
+    {
+        var credentials = new SigningCredentials(SecurityKey, SecurityAlgorithms.HmacSha256Signature); 
+        var claims = new List<Claim>
+        {
+            new (ClaimTypes.Name, username),
+        };
+
+        var token = _tokenHandler.CreateJwtSecurityToken(
+            issuer: Issuer,
+            audience: Audience,
+            subject: new ClaimsIdentity(claims),
+            expires: DateTime.Now.AddSeconds(expires),
+            issuedAt: DateTime.Now,
+            notBefore: DateTime.Now,
+            signingCredentials: credentials);
+        
+        return _tokenHandler.WriteToken(token);
+    }
+}

Flawless.Shared/Protos/auth.proto

@@ -0,0 +1,34 @@
+syntax = "proto3";
+option csharp_namespace = "Flawless.Api";
+
+import "google/protobuf/empty.proto";
+
+service Auth {
+  rpc GainToken(AuthRequest) returns (AuthResult);
+  rpc GetUserInfo(google.protobuf.Empty) returns (AuthUserInfo);
+  rpc Validate(google.protobuf.Empty) returns (google.protobuf.Empty);
+}
+
+message RegisterAuthRequest {
+  string user_name = 1;
+  string password = 2;
+}
+
+message AuthRequest {
+  string user_name = 1;
+  string password = 2;
+  uint32 expires = 3;
+}
+
+message AuthResult {
+  int32 result = 1;
+  string message = 2;
+  string token = 3;
+}
+
+message AuthUserInfo {
+  uint64 user_id = 1;
+  string user_name = 2;
+  uint64 last_login = 3;
+  bool is_system_admin = 4;
+}

Flawless.Test.ConsoleApplication/Flawless.Test.ConsoleApplication.csproj

@@ -0,0 +1,21 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <OutputType>Exe</OutputType>
+        <TargetFramework>net8.0</TargetFramework>
+        <ImplicitUsings>enable</ImplicitUsings>
+        <Nullable>enable</Nullable>
+    </PropertyGroup>
+
+    <ItemGroup>
+        <PackageReference Include="Google.Protobuf" Version="3.28.2" />
+        <PackageReference Include="Grpc.Core.Api" Version="2.66.0" />
+        <PackageReference Include="Grpc.Net.Client" Version="2.66.0" />
+        <PackageReference Include="Grpc.Tools" Version="2.67.0">
+        <PrivateAssets>all</PrivateAssets>
+            <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+        </PackageReference>
+        <Protobuf Include="..\Flawless.Shared\Protos\*.proto" GrpcServices="Client"/>
+    </ItemGroup>
+
+</Project>

Flawless.Test.ConsoleApplication/Program.cs

@@ -0,0 +1,31 @@
+// See https://aka.ms/new-console-template for more information
+
+using Flawless.Api;
+using Google.Protobuf.WellKnownTypes;
+using Grpc.Core;
+using Grpc.Net.Client;
+
+var path = "http://localhost:5150";
+
+var rpcChannel = GrpcChannel.ForAddress(path);
+var authService = new Auth.AuthClient(rpcChannel);
+
+var result = await authService.GainTokenAsync(new AuthRequest()
+{
+    UserName = "admin",
+    Expires = 10,
+    Password = "password"
+});
+    
+
+if (result.Result == 0)
+{
+    Console.WriteLine($"Token granted: {result.Token}");
+    
+    // Thread.Sleep(5 * 1000);
+    var userInfo = await authService.GetUserInfoAsync(new Empty(), new Metadata()
+    {
+        { "Authorization", $"Bearer {result.Token}" }
+    });
+    Console.WriteLine($"UserName: {userInfo.UserName}\nUID: {userInfo.UserId}\nIs Admin: {userInfo.IsSystemAdmin}");
+}