Finished database management and user authentication

HopFrame.Security/Claims/HopFrameClaimTypes.cs

@@ -0,0 +1,21 @@
+using System.Security.Claims;
+
+namespace HopFrame.Security.Claims;
+
+public static class HopFrameClaimTypes {
+    public const string AccessTokenId = "HopFrame.AccessTokenId";
+    public const string UserId = "HopFrame.UserId";
+    public const string Permission = "HopFrame.Permission";
+
+    public static string GetAccessTokenId(this ClaimsPrincipal principal) {
+        return principal.FindFirstValue(AccessTokenId);
+    }
+    
+    public static string GetUserId(this ClaimsPrincipal principal) {
+        return principal.FindFirstValue(UserId);
+    }
+    
+    public static string[] GetPermissions(this ClaimsPrincipal principal) {
+        return principal.FindAll(Permission).Select(claim => claim.Value).ToArray();
+    }
+}

HopFrame.Security/Claims/ITokenContextBase.cs

@@ -0,0 +1,9 @@
+using HopFrame.Database.Models;
+
+namespace HopFrame.Security.Claims;
+
+public interface ITokenContextBase {
+    bool IsAuthenticated { get; }
+    User User { get; }
+    Guid AccessToken { get; }
+}

HopFrame.Security/Claims/TokenContextImplementor.cs

@@ -0,0 +1,23 @@
+using HopFrame.Database;
+using HopFrame.Database.Models;
+using Microsoft.AspNetCore.Http;
+
+namespace HopFrame.Security.Claims;
+
+public class TokenContextImplementor : ITokenContextBase {
+    private readonly IHttpContextAccessor _accessor;
+    private readonly HopDbContextBase _context;
+
+    public TokenContextImplementor(IHttpContextAccessor accessor, HopDbContextBase context) {
+        _accessor = accessor;
+        _context = context;
+    }
+
+    public bool IsAuthenticated => _accessor.HttpContext?.User.Identity?.IsAuthenticated == true;
+
+    public User User => _context.Users
+        .SingleOrDefault(user => user.Id == _accessor.HttpContext.User.GetUserId())?
+        .ToUserModel(_context);
+    
+    public Guid AccessToken => Guid.Parse(_accessor.HttpContext?.User.GetAccessTokenId() ?? string.Empty);
+}