Some stuff

KTUSAPS/Auth/AdminAuthorizationHandler.cs

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+using KTUSAPS.Data;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.DependencyInjection;
+using System;
+using System.Linq;
+using System.Threading.Tasks;
+
+namespace KTUSAPS.Auth
+{
+    public class AdminAuthorizationHandler : AuthorizationHandler<AdminRequirement>
+    {
+        private readonly IServiceProvider serviceProvider;
+        public AdminAuthorizationHandler(IServiceProvider serviceProvider)
+        {
+            this.serviceProvider = serviceProvider;
+        }
+
+        protected async override Task HandleRequirementAsync(AuthorizationHandlerContext context, AdminRequirement requirement)
+        {
+            var idclaim = context.User.Claims.Where(c => c.Type == "http://schemas.microsoft.com/identity/claims/objectidentifier").FirstOrDefault();
+            if(idclaim == default)
+            {
+                context.Fail();
+                return;
+            }
+            using var scope = serviceProvider.CreateScope();
+            var dataContext = scope.ServiceProvider.GetRequiredService<SAPSDataContext>();
+            var admin = await dataContext.Admins.Where(a => a.UserId == idclaim.Value).FirstOrDefaultAsync();
+            if (admin != default)
+            {
+                context.Succeed(requirement);
+                return;
+            }
+            context.Fail();
+        }
+    }
+}