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();
+    }
+}