- add: Auth service

Nebula.Launcher/Models/Auth/AuthenticateRequest.cs

@@ -0,0 +1,10 @@
+using System;
+
+namespace Nebula.Launcher.Models.Auth;
+
+public sealed record AuthenticateRequest(string? Username, Guid? UserId, string Password, string? TfaCode = null)
+{
+    public AuthenticateRequest(string username, string password) : this(username, null, password)
+    {
+    }
+}

Nebula.Launcher/Models/Auth/AuthenticateResponse.cs

@@ -0,0 +1,5 @@
+using System;
+
+namespace Nebula.Launcher.Models.Auth;
+
+public sealed record AuthenticateResponse(string Token, string Username, Guid UserId, DateTimeOffset ExpireTime);

Nebula.Launcher/Models/Auth/LoginInfo.cs

@@ -0,0 +1,15 @@
+using System;
+
+namespace Nebula.Launcher.Models.Auth;
+
+public class LoginInfo
+{
+    public Guid UserId { get; set; }
+    public string Username { get; set; } = default!;
+    public LoginToken Token { get; set; }
+
+    public override string ToString()
+    {
+        return $"{Username}/{UserId}";
+    }
+}

Nebula.Launcher/Models/Auth/LoginToken.cs

@@ -0,0 +1,15 @@
+using System;
+
+namespace Nebula.Launcher.Models.Auth;
+
+public readonly struct LoginToken
+{
+    public readonly string Token;
+    public readonly DateTimeOffset ExpireTime;
+
+    public LoginToken(string token, DateTimeOffset expireTime)
+    {
+        Token = token;
+        ExpireTime = expireTime;
+    }
+}